There are a total of 1488 9-letter words containing 'os', and the number may vary in different dictionaries. You can specify the dictionary and order.
- abelmosks 20
- accosting 18
- acrosomal 16
- acrosomes 15
- acrostics 15
- adenosine 12
- adiposity 15
- aeroshell 13
- aerospace 15
- aerostats 9
- affogatos 17
- aftermost 15
- agnostics 15
- albatross 13
- albumoses 17
- alkaloses 15
- alkalosis 15
- allostery 13
- amarettos 12
- amauroses 13
- amaurosis 13
- ambrosial 16
- ambrosias 15
- amorettos 12
- anabiosis 13
- angostura 13
- animosity 15
- ankylosed 18
- ankyloses 17
- ankylosis 17
- apoptosis 15
- apostates 12
- apostolic 16
- arabinose 13
- arccosine 16
- archosaur 15
- arenosols 11
- armigeros 14
- arpeggios 16
- arthroses 11
- arthrosis 11
- ascospore 15
- atamascos 15
- athetosis 11
- auroscope 16
- autocross 13
- autogiros 12
- autogyros 14
- autosaved 15
- autosaves 14
- autosomal 14
- autosomes 13
- babycinos 21
- backcross 22
- ballyhoos 18
- barbascos 18
- bargellos 16
- barrancos 16
- bellicose 17
- benthoses 15
- biosafety 17
- bioscopes 18
- biosensor 13
- biosocial 16
- biosolids 14
- biosphere 17
- blossomed 17
- bluenosed 16
- bluenoses 15
- bocaccios 21
- boogaloos 15
- bordellos 15
- boschboks 24
- boshvarks 22
- bossanova 17
- bossiness 13
- bosthoons 15
- brownnose 17
- buckaroos 20
- buckayros 22
- buckeroos 20
- buglosses 16
- bullnoses 16
- burnoosed 15
- burnooses 14
- cabestros 15
- cabrestos 15
- calaboose 16
- callaloos 15
- callosity 16
- camisados 16
- capitanos 16
- cariosity 14
- carnosaur 14
- castratos 12
- caudillos 16
- cavaleros 17
- cellulose 16
- charangos 17
- chechakos 23
- chemostat 17
- chitosans 15
- chloroses 15
- chlorosis 15
- choosiest 14
- chubascos 21
- chymosins 20
- cicisbeos 18
- cilantros 14
- cioppinos 19
- cirrhoses 14
- cirrhosis 14
- closeable 17
- closedown 18
- closeness 14
- closeouts 14
- closetful 18
- closeting 16
- closuring 17
- cockapoos 22
- cockatoos 19
- cocobolos 19
- coelostat 13
- cohostess 14
- cohosting 17
- colosseum 17
- colostomy 18
- colostral 14
- colostrum 17
- commandos 20
- composers 18
- composing 21
- composite 18
- composted 19
- composter 18
- composure 19
- concertos 16
- conenoses 14
- conjuntos 24
- contangos 16
- continuos 15
- corposant 16
- corrosion 13
- corrosive 16
- corymbose 20
- coscoroba 18
- coscripts 18
- cosecants 16
- coseismal 16
- coshering 17
- cosigners 15
- cosigning 18
- cosleeped 17
- cosmetics 18
- cosmogeny 20
- cosmogony 20
- cosmology 20
- cosmonaut 17
- cosplayed 19
- cosplayer 18
- cosponsor 16
- cosseting 15
- costarred 13
- costively 19
- costliest 13
- costumers 16
- costumery 18
- costumier 16
- costuming 19
- courantos 14
- creosoted 13
- creosotes 12
- crocosmia 18
- crossable 16
- crossarms 15
- crossbars 15
- crossbeam 18
- crossbill 17
- crossbows 18
- crossbred 16
- crosscuts 16
- crosseyed 15
- crossfade 16
- crossfire 15
- crossflow 19
- crosshair 14
- crosshead 15
- crossings 15
- crosslets 13
- crosslink 18
- crossness 13
- crossover 16
- crossroad 13
- crossruff 19
- crosstalk 17
- crossties 12
- crosstown 16
- crosswalk 20
- crossways 17
- crosswind 17
- crosswise 15
- crossword 16
- crosswort 15
- cruzeiros 22
- cryoscope 20
- cryoscopy 22
- cryostats 14
- curculios 18
- curiosity 15
- cursillos 15
- cynosures 16
- cytosines 15
- cytosolic 18
- debossing 16
- decompose 19
- defrosted 14
- defroster 13
- deposited 14
- depositor 13
- desmosome 16
- dextroses 17
- diagnosed 14
- diagnoses 13
- diagnosis 13
- diglossia 13
- diglossic 16
- dinosaurs 12
- diosgenin 14
- disbosoms 16
- disclosal 15
- disclosed 15
- discloser 14
- discloses 14
- disposals 14
- disposers 13
- disposing 16
- disposure 14
- dolostone 12
- doorposts 13
- dosimeter 13
- dosimetry 15
- dosserets 10
- dosshouse 13
- droshkies 16
- drossiest 10
- duecentos 15
- eclosions 14
- ecosphere 17
- ecossaise 12
- ecosystem 17
- ectosarcs 15
- egosurfed 16
- embosking 22
- embosomed 19
- embossers 15
- embossing 18
- enclosers 14
- enclosing 17
- enclosure 15
- endosarcs 14
- endoscope 17
- endoscopy 19
- endosomes 14
- endosperm 17
- endospore 14
- endosteal 12
- endosteum 15
- endostyle 14
- engrossed 13
- engrosser 12
- engrosses 12
- erosional 11
- erosivity 15
- espressos 12
- exclosure 21
- exosmoses 19
- exosphere 21
- exospores 19
- exostoses 16
- exostosis 16
- explosion 21
- explosive 24
- exposited 20
- expositor 19
- exposures 20
- expressos 19
- falsettos 13
- fandangos 17
- fellatios 14
- fencepost 19
- fetoscope 18
- fetoscopy 20
- filoselle 15
- finochios 18
- firehoses 14
- flamencos 20
- flamingos 19
- flossiest 13
- fluoroses 14
- fluorosis 14
- foostered 13
- footloose 13
- foreclose 16
- forzandos 23
- fossettes 12
- fossicked 20
- fossicker 19
- fossilise 13
- fossilize 22
- fossorial 13
- fosterage 14
- fosterers 12
- fostering 15
- frontmost 16
- frostbite 15
- frostiest 12
- frostings 15
- frostless 13
- frostwork 19
- fructoses 16
- fruticose 16
- furanoses 14
- galactose 15
- gaposises 14
- garbanzos 24
- gateposts 14
- gazpachos 28
- genipapos 18
- geosphere 16
- ghostiest 13
- ghostings 16
- ghostlier 14
- ghostlike 18
- gibbosity 19
- glasnosts 13
- gloriosus 13
- glossator 12
- glossemes 15
- glossiest 12
- glossinas 13
- glossitis 12
- glucoside 17
- glycoside 18
- glycosyls 20
- gneissose 12
- goalposts 15
- goosander 13
- goosebump 21
- goosefish 16
- goosefoot 14
- goosegogs 15
- gooseneck 19
- gooseskin 16
- goosestep 14
- gospelers 15
- gospelise 15
- gospelize 24
- gospeller 16
- gossamers 14
- gossamery 16
- gossipers 14
- gossiping 17
- gossipped 18
- gossypols 17
- graciosos 14
- grandiose 13
- grandioso 13
- granulose 14
- grosbeaks 18
- grosgrain 14
- grossness 12
- grossular 13
- guacharos 17
- guanosine 14
- guidepost 16
- gyroscope 19
- gyrostats 13
- hadrosaur 13
- haemostat 14
- halitoses 12
- halitosis 12
- hardnosed 14
- hardnoses 13
- hawknoses 19
- heelposts 15
- heliostat 12
- hemostats 14
- heteroses 11
- heterosis 11
- hideosity 14
- histosols 12
- hoarfrost 14
- hodoscope 18
- homoeoses 14
- homoeosis 14
- homosexes 21
- homospory 19
- hooknoses 16
- hoosegows 16
- horoscope 17
- horoscopy 19
- hosannaed 14
- hosannahs 15
- hosepipes 17
- hosieries 11
- hospitals 15
- hospitium 18
- hospodars 15
- hostelers 12
- hosteling 15
- hostelled 14
- hosteller 13
- hostessed 12
- hostesses 11
- hostilely 15
- hostility 14
- huarachos 17
- hydrosere 14
- hydroskis 18
- hydrosols 15
- hyoscines 17
- hypospray 21
- hypostome 19
- hypostyle 19
- ileostomy 15
- imbosomed 19
- impetigos 17
- implosion 17
- implosive 20
- imposters 15
- imposting 18
- impostors 15
- impostume 19
- imposture 16
- inclosers 14
- inclosing 17
- inclosure 15
- incrossed 14
- incrosses 13
- indispose 14
- innermost 14
- innuendos 14
- inositols 11
- intaglios 13
- interpose 13
- isosceles 13
- isosmotic 15
- isostatic 12
- jackaroos 25
- jackeroos 25
- jalapenos 23
- jarosites 18
- jillaroos 20
- juxtapose 29
- kakemonos 21
- kangaroos 16
- karyosome 18
- kenosises 14
- keratoses 13
- keratosis 13
- kerosenes 14
- kerosines 14
- kiboshing 21
- kingposts 19
- kleftikos 21
- kolkhoses 20
- koshering 18
- kyboshing 23
- lacrosses 13
- lactulose 15
- laevulose 16
- lamellose 15
- lampposts 19
- langostas 13
- latosolic 14
- leprosies 13
- leptosome 16
- levuloses 16
- libeccios 19
- librettos 13
- lipidoses 14
- lipidosis 14
- liposomal 17
- liposomes 16
- lithosols 13
- locofocos 19
- loosehead 13
- looseleaf 14
- looseners 11
- looseness 11
- loosening 14
- losingest 13
- lossmaker 17
- lotharios 12
- lowermost 16
- lysosomal 16
- lysosomes 15
- machismos 20
- macintosh 18
- macrocosm 21
- madarosis 13
- maestosos 12
- mahoosive 18
- makimonos 20
- mariposas 15
- marmosets 15
- martellos 14
- megadoses 15
- melanosis 14
- mesosaurs 13
- mesoscale 16
- mesosomes 15
- microcosm 21
- micromhos 20
- microsite 15
- microsome 18
- mileposts 16
- milesimos 16
- millimhos 19
- moderatos 13
- mongooses 15
- monosemic 19
- monoskier 17
- monosomes 16
- monosomic 19
- monostele 14
- monostely 16
- moosewood 16
- mosaicism 18
- mosaicist 15
- mosaicked 20
- mosasaurs 13
- moschatel 18
- mosquitos 22
- mossbacks 22
- mossiness 13
- motocross 15
- muchachos 23
- mundungos 19
- mungooses 16
- munyeroos 16
- myoscopes 20
- nanoscale 15
- nanosized 21
- necrosing 16
- nephroses 15
- nephrosis 15
- nervosity 16
- neutrinos 12
- nigrosins 13
- nitrosyls 13
- nonfossil 15
- nonkosher 17
- noosphere 15
- nosebands 15
- nosebleed 15
- nosecones 14
- nosedived 16
- nosedives 15
- noseguard 14
- nosepiece 16
- noserings 13
- nosewheel 16
- nosewiper 16
- nosheries 12
- nosologic 16
- nostalgia 13
- nostalgic 16
- nostalgie 13
- nothosaur 13
- oakmosses 16
- obligatos 15
- ocotillos 14
- oospheres 14
- operosely 15
- opposable 19
- opposites 15
- oratorios 9
- orthostat 11
- oscillate 14
- osculated 15
- osculates 14
- osmeteria 12
- osmically 19
- osmometer 15
- osmometry 17
- osnaburgs 16
- ossicular 14
- ossifiers 12
- ossifrage 14
- ossifying 17
- ossuaries 10
- ostensive 14
- ostensory 12
- osteocyte 14
- osteology 14
- osteomata 12
- osteopath 14
- osteotome 12
- osteotomy 14
- ostiaries 9
- ostinatos 10
- ostosises 9
- ostracise 12
- ostracism 15
- ostracize 21
- ostracode 13
- ostracods 13
- ostriches 14
- otoscopes 15
- otoscopic 18
- ouroboros 13
- outermost 13
- overdosed 15
- overdoses 14
- oviposits 16
- pachinkos 22
- palaeosol 14
- paleosols 14
- palmarosa 16
- palmettos 16
- palominos 17
- pantihose 15
- pantyhose 17
- papillose 17
- pappooses 18
- paradoses 13
- parcloses 16
- pecorinos 16
- peekaboos 19
- pentosans 14
- peperinos 16
- perfectos 18
- periostea 12
- petasoses 12
- petrosals 13
- phagosome 19
- phosgenes 17
- phosphate 19
- phosphene 20
- phosphide 20
- phosphids 20
- phosphine 20
- phosphins 20
- phosphite 19
- phosphore 19
- phosphors 19
- photosets 14
- photostat 14
- pimientos 16
- piosities 12
- piquillos 24
- planosols 15
- pliosaurs 14
- plumbagos 22
- politicos 16
- polyposis 18
- pomposity 20
- ponderosa 14
- positions 13
- positiver 16
- positives 16
- positrons 13
- possessed 13
- possesses 12
- possessor 12
- possetted 13
- possibler 16
- possibles 16
- postaxial 20
- postboxes 22
- postcards 16
- postcavae 19
- postcaval 20
- postcoded 17
- postcodes 16
- postcrash 17
- postdated 14
- postdates 13
- postering 15
- posterior 12
- posterise 12
- posterity 14
- posterize 21
- postfaces 18
- postfault 17
- postfixed 23
- postfixes 22
- postforms 18
- postgrads 15
- posthaste 14
- postheats 14
- postholes 15
- posthorns 15
- postiches 17
- postilion 14
- postiques 22
- postludes 15
- postmarks 19
- postnatal 14
- postponed 17
- postponer 16
- postpones 16
- postposed 16
- postposes 15
- postpunks 21
- postrooms 15
- postsyncs 18
- posttests 12
- posttrial 13
- postulant 15
- postulate 14
- posturers 13
- posturing 16
- postviral 17
- postwoman 19
- postwomen 19
- potjiekos 25
- preposing 18
- presidios 13
- primroses 15
- probosces 18
- proboscis 18
- prognosed 16
- prognoses 15
- prognosis 15
- proposals 16
- proposers 15
- proposing 18
- propositi 15
- proptoses 15
- proptosis 15
- prosaisms 15
- prosaists 12
- prosateur 13
- proscenia 16
- proscribe 18
- prosected 16
- prosector 15
- prosecute 16
- proselyte 15
- prosimian 16
- prosiness 13
- prosocial 16
- prosodies 13
- prosodist 13
- prospects 18
- prospered 16
- prostates 12
- prostatic 15
- prostomia 15
- prostrate 12
- prostyles 15
- prosumers 16
- proteoses 12
- protostar 12
- prunellos 16
- psychoses 19
- psychosis 19
- pterosaur 13
- puckeroos 20
- purposely 19
- purposing 19
- purposive 20
- pygostyle 19
- pyinkados 20
- pyranoses 15
- pyrosises 14
- pyrostats 14
- quartzose 28
- raffinose 16
- rancheros 15
- rechooses 14
- recompose 18
- recrossed 13
- recrosses 12
- redeposit 13
- redispose 13
- reexposed 20
- reexposes 19
- reglossed 13
- reglosses 12
- reimposed 16
- reimposes 15
- religiose 12
- renegados 13
- reopposed 16
- reopposes 15
- reposados 13
- reposeful 17
- reposited 13
- repossess 12
- reposting 15
- repurpose 16
- requintos 20
- reredoses 10
- rhamnoses 15
- rheostats 11
- ribosomal 16
- ribosomes 15
- rightmost 16
- riposting 15
- ritenutos 11
- rockroses 16
- rooiboses 12
- rosaceous 13
- rosarians 10
- rosariums 13
- roseapple 16
- roseately 12
- rosefinch 18
- rosemaled 14
- roseroots 9
- roseslugs 13
- rosewater 12
- rosewoods 13
- rosinweed 14
- rosoglios 12
- rostellar 11
- rostellum 15
- rostering 12
- rostrally 13
- rotoscope 15
- roundnose 13
- rubbaboos 19
- sarcosine 13
- sarcosome 15
- sargassos 11
- scabiosas 15
- scenarios 13
- schistose 14
- schlosses 15
- schmoosed 18
- schmooses 17
- sciroccos 18
- sclerosed 14
- scleroses 13
- sclerosis 13
- scolioses 13
- scoliosis 13
- scooshing 17
- secaloses 13
- seicentos 13
- semigloss 15
- semihobos 17
- seraglios 12
- serositis 9
- sforzatos 21
- shahtoosh 15
- shammosim 20
- signposts 15
- silicoses 13
- silicosis 13
- siliquose 20
- sinuosity 13
- skooshing 18
- slooshing 15
- sloshiest 12
- smooshing 17
- solidagos 13
- sombreros 15
- sorosises 9
- sostenuti 11
- sostenuto 11
- sparagmos 17
- spiccatos 18
- spikemoss 19
- spinosity 15
- spinulose 15
- spiritoso 12
- sploshing 18
- spodosols 14
- sprossers 12
- squamosal 23
- squooshed 22
- squooshes 21
- staccatos 15
- starnoses 10
- steatosis 9
- stegosaur 12
- stenosing 13
- sternmost 13
- sternpost 13
- stilettos 10
- stoccados 16
- stompnose 16
- stooshies 11
- stumpnose 17
- subcostal 17
- subfossil 17
- submucosa 20
- suboscine 17
- sucralose 14
- superegos 15
- superpose 16
- superpros 16
- supposals 17
- supposers 16
- supposing 19
- surculose 15
- swooshing 17
- symbioses 17
- symbiosis 17
- symposium 21
- tapaderos 13
- teosintes 10
- terrazzos 27
- terzettos 18
- testcross 12
- theosophy 18
- thermoses 14
- thermoset 14
- thrombose 17
- throstles 12
- thymosins 17
- tokoloshe 16
- tomentose 13
- tornillos 12
- torulosis 11
- tosylates 12
- tournedos 12
- toxicoses 19
- toxicosis 19
- transpose 13
- trapuntos 14
- trecentos 13
- trehalose 12
- tubenoses 14
- tuberoses 13
- tucotucos 17
- twelvemos 20
- tyrosines 12
- unbosomed 18
- unclosing 18
- uncrossed 15
- uncrosses 14
- underboss 15
- undermost 15
- unexposed 22
- unloosens 13
- unloosing 15
- unopposed 18
- uppermost 19
- uptossing 16
- urostyles 13
- uttermost 13
- vaginosis 16
- vamoosing 19
- varicosed 17
- vasospasm 19
- verbosely 19
- verbosity 18
- verrucose 17
- vibrioses 16
- vibriosis 16
- villosity 17
- vindaloos 16
- virtuosas 14
- virtuosic 17
- virtuosos 14
- viscosity 18
- vitiligos 16
- vorticose 16
- wallaroos 14
- wanderoos 14
- waterloos 13
- wayzgoose 25
- whooshing 19
- whoosises 14
- whosoever 18
- xeroseres 16
- zecchinos 27
- zhooshing 25
- zoosperms 24
- zoospores 21
- zoosporic 24
- zoosterol 19
- zygospore 25
- acarboses 13
- acrospire 13
- aeroscope 13
- allosaurs 9
- ambrosian 13
- anabioses 11
- anchylose 17
- anosmatic 13
- apatosaur 11
- apoptoses 13
- aposporic 15
- apostille 11
- appaloosa 13
- apposable 15
- athetoses 12
- barosaurs 11
- baroscope 15
- biocenose 13
- biostrome 13
- boschvark 23
- boskiness 15
- bullnosed 12
- cambooses 15
- cespitose 13
- chemosorb 18
- cirrhosed 15
- coenosarc 13
- conversos 14
- cornettos 11
- correttos 11
- corticose 13
- coseismic 15
- cosmoline 13
- cosmotron 13
- creosotic 13
- crossbuck 19
- crossjack 24
- crosstied 12
- crosstree 11
- crostatas 11
- cynosural 14
- deposable 14
- dolcettos 12
- dubiosity 15
- edematose 12
- eldorados 11
- exocytose 21
- exosmosis 18
- exosmotic 20
- exosporia 18
- exposable 20
- farolitos 12
- flossings 13
- foosballs 14
- foscarnet 14
- friulanos 12
- frostfish 18
- frostline 12
- frostnips 14
- globosely 15
- globosity 15
- glossitic 12
- gnostical 12
- gomphoses 17
- gomphosis 17
- gooseherd 14
- gossipier 12
- gossipper 14
- habaneros 14
- hegumenos 15
- hematoses 14
- hematosis 14
- homostyly 20
- hooknosed 17
- hoummoses 16
- hydrostat 16
- hygrostat 16
- imposable 15
- ionosonde 10
- isosteric 11
- joshingly 23
- keratosic 15
- leftmosts 14
- leptophos 16
- lichenose 14
- melanoses 11
- mischoose 16
- mischosen 16
- mishegoss 15
- monostich 16
- monostome 13
- moosebird 14
- moosehair 14
- moosehide 15
- morphoses 16
- morphosis 16
- mossgrown 15
- nigrosine 10
- nonglossy 13
- nonpostal 11
- nopalitos 11
- northmost 14
- nostology 13
- organosol 10
- oscitance 13
- oscitancy 16
- osmundine 12
- ossatures 9
- osseously 12
- ossobucos 13
- ostomates 11
- overclose 14
- parosmias 13
- pastitsos 11
- peekapoos 17
- pentoside 12
- phosphori 19
- photoscan 16
- photoshop 19
- plumosely 16
- plumosity 16
- plumulose 13
- posologic 14
- postcavas 16
- postfixal 21
- postnasal 11
- postrider 12
- postteens 11
- posturist 11
- prechoose 16
- prechosen 16
- preexpose 20
- preimpose 15
- prosaical 13
- proseccos 15
- prosified 15
- prosifies 14
- prosomata 13
- reposedly 15
- ribuloses 11
- rosanilin 9
- rosebowls 14
- sclerosal 11
- selenoses 9
- selenosis 9
- shooshing 16
- sideroses 10
- siderosis 10
- spinosely 14
- squarrose 18
- symposiac 18
- taleggios 11
- trichoses 14
- trichosis 14
- triclosan 11
- troostite 9
- ultraposh 14
- unbosomer 13
- underdose 11
- unglossed 11
- unhostile 12
- uroscopic 15
- vaginoses 13
- varicoses 14
- varicosis 14
- viosterol 12
- acosmisms 15
- acosmists 13
- aglossate 10
- aglossias 10
- akoluthos 16
- alalagmos 12
- amorosity 14
- amplosome 15
- anidroses 10
- anidrosis 10
- apositias 11
- apostatic 13
- areostyle 12
- aryballos 14
- assientos 9
- athetosic 14
- autoscopy 16
- autospore 11
- auxospore 18
- babooshes 16
- barostats 11
- beprosing 14
- besognios 12
- betossing 12
- biostable 13
- biostatic 13
- bloosming 14
- borachios 16
- bosberaad 14
- boschveld 20
- bosomiest 13
- bostangis 12
- bostryxes 21
- bromeosin 13
- bulbosity 16
- burdizzos 30
- cacafogos 17
- calculose 13
- capuccios 17
- carnosity 14
- charnecos 16
- charoseth 17
- charosets 14
- clinostat 11
- closehead 15
- cognosced 15
- cognosces 14
- colostric 13
- contornos 11
- coosening 12
- coosining 12
- coprosmas 15
- coraggios 13
- corocoros 13
- cosherers 14
- cosheries 14
- cosmocrat 15
- cosmorama 15
- cosphered 17
- costalgia 12
- costeaned 12
- costotomy 16
- crosiered 12
- crossband 14
- crossbite 13
- crossette 11
- crossfall 14
- crossfish 17
- crostinis 11
- cytosomes 16
- deboshing 16
- deinosaur 10
- disposted 13
- dosemeter 12
- dosiology 14
- drostdies 11
- duettinos 10
- ebriosity 14
- elaiosome 11
- emblossom 15
- emboscata 15
- encierros 11
- endosmose 12
- endossing 11
- epibioses 13
- epibiosis 13
- epidosite 12
- erostrate 9
- espumosos 13
- exosporal 18
- exposture 18
- extrapose 18
- fibrosing 15
- fistulose 12
- floscular 14
- floscules 14
- foliolose 12
- footposts 14
- fossulate 12
- frostlike 16
- fungosity 16
- furiosity 15
- galapagos 13
- galoshing 14
- gardyloos 14
- geognoses 11
- geognosis 11
- geognosts 11
- geostatic 12
- gillaroos 10
- gloriosas 10
- glossists 10
- glossless 10
- goloshing 14
- goloshoes 13
- gonosomes 12
- goosegobs 13
- gooseries 10
- goosiness 10
- goslarite 10
- gospelled 13
- gospodars 13
- gossypine 15
- gostering 11
- groschens 15
- grossarts 10
- gummosity 17
- gymnosoph 20
- hallaloos 12
- haloseres 12
- haroseths 15
- heroships 17
- hircosity 17
- horopitos 14
- hospitage 15
- hospitale 14
- hostlesse 12
- huaqueros 21
- hubbuboos 18
- hydrosoma 18
- hydrosome 18
- hypinoses 17
- hypinosis 17
- iconostas 11
- imbosking 18
- imbossing 14
- impeticos 15
- ingrossed 11
- ingrosses 10
- intonacos 11
- jerepigos 19
- jordeloos 17
- jostlings 17
- junkanoos 20
- klinostat 13
- kreosoted 14
- kreosotes 13
- lacrimoso 13
- lagrimoso 12
- landdrost 11
- leprosery 14
- leprosity 14
- leucosins 11
- liposucks 17
- madaroses 12
- mallechos 16
- mamelucos 15
- mangostan 12
- manoscopy 18
- manzellos 20
- matrosses 11
- meiospore 13
- merosomes 13
- minimotos 13
- minutiose 11
- monoceros 13
- monostyle 14
- montantos 11
- mooseyard 15
- mosasauri 11
- moskonfyt 21
- mosslands 12
- mossplant 13
- motoscafi 16
- motoscafo 16
- mutoscope 15
- noctilios 11
- noselites 9
- octostyle 14
- oncostman 13
- oncostmen 13
- oosporous 11
- operosity 14
- opposably 18
- orthroses 12
- oscitated 12
- oscitates 11
- ossariums 11
- ossifraga 13
- osteoderm 12
- osteogens 10
- osteogeny 13
- ostiolate 9
- ostleress 9
- ostracean 11
- ostregers 10
- ottavinos 12
- ouroscopy 16
- overposts 14
- padereros 12
- palaminos 13
- pancosmic 17
- patereros 11
- pedereros 12
- pentosane 11
- periaktos 15
- peribolos 13
- phantosme 16
- polyposes 16
- poroscope 15
- poroscopy 18
- porthoses 14
- poshteens 14
- posigrade 13
- posseting 12
- possuming 14
- postbuses 13
- posthorse 14
- posthouse 14
- posticous 13
- postiling 12
- postilled 12
- postiller 11
- postulata 11
- posturise 11
- posturize 20
- premosaic 15
- prepostor 13
- primrosed 14
- prodnosed 13
- prodnoses 12
- promachos 18
- proposita 13
- proscript 15
- proselike 15
- proseucha 16
- proseuche 16
- prosodial 12
- prosodian 12
- prosopons 13
- prosterna 11
- provostry 17
- pulvilios 14
- pyknosome 20
- pyroscope 18
- pyrosomes 16
- qinghaosu 22
- reblossom 13
- reclosing 12
- reddendos 12
- religioso 10
- reposalls 11
- repositor 11
- reposures 11
- reredosse 10
- resinoses 9
- resinosis 9
- riroriros 9
- rosinates 9
- rosmarine 11
- rostrated 10
- sciosophy 19
- sestettos 9
- shloshims 17
- shmoosing 15
- slipnoose 11
- sloshings 13
- soundpost 12
- southmost 14
- spadillos 12
- spilosite 11
- splooshed 15
- splooshes 14
- spongiose 12
- sposhiest 14
- stampedos 14
- starostas 9
- steatoses 9
- stegnoses 10
- stegnosis 10
- sticcados 14
- sticcatos 13
- strossers 9
- subcostae 13
- subimagos 14
- superloos 11
- symposial 16
- symptoses 16
- symptosis 16
- tapacolos 13
- tapaculos 13
- tediosity 13
- teleosaur 9
- tenebrios 11
- tenebrose 11
- theosophs 17
- theotokos 16
- threnoses 12
- tikoloshe 16
- tokoloshi 16
- tokotokos 17
- toruloses 9
- tucutucos 13
- twoseater 12
- twostroke 16
- uliginose 10
- umbrellos 13
- unghostly 16
- unimposed 14
- uniramose 11
- unlosable 11
- unroosted 10
- unrosined 10
- upclosing 14
- uredosori 10
- urosteges 10
- varguenos 13
- varlettos 12
- ventosity 15
- verbosest 14
- verdelhos 16
- viciosity 17
- villagios 13
- villiagos 13
- vitiosity 15
- waygooses 16
- whakairos 19
- windroses 13
- woodwoses 16
- xerostoma 18
- yakimonos 18
- zooscopic 24
- zuchettos 23
- zygosperm 26
There are 1488 9-letter words containing os in the well-known word game dictionary, 1033 in the Scrabble US (US/Canada/Thailand - TWL/NWL) dictionary, and 1397 in the Scrabble UK (International - SOWPODS/CSW) dictionary, and 978 in the Words with Friends (WWF) dictionary.
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