There are a total of 405 9-letter words ending in 'ous', and the number may vary in different dictionaries. You can specify the dictionary and order.
- acidulous 16
- aluminous 16
- ambiguous 19
- ambitious 16
- amorphous 18
- analogous 14
- anestrous 11
- anhydrous 16
- anomalous 15
- anonymous 17
- apetalous 14
- apogamous 18
- arboreous 13
- arsenious 11
- assiduous 12
- atrocious 13
- audacious 15
- barbarous 16
- beauteous 14
- bicurious 17
- biogenous 16
- bodacious 17
- bonhomous 19
- bounteous 15
- bumptious 20
- calculous 19
- cancerous 17
- cankerous 18
- capacious 19
- carcajous 25
- cavernous 18
- cetaceous 16
- chancrous 19
- chitinous 16
- cinereous 14
- clamorous 17
- cobaltous 17
- congruous 17
- conscious 17
- coumarous 17
- courteous 14
- crapulous 18
- credulous 16
- cretinous 14
- criminous 17
- cutaneous 15
- dangerous 14
- deciduous 16
- delicious 15
- delirious 12
- dentulous 14
- dexterous 18
- diclinous 16
- diestrous 11
- dioecious 14
- dipterous 14
- edematous 14
- egregious 14
- epigonous 16
- epigynous 18
- eponymous 19
- erogenous 13
- erroneous 11
- exogamous 22
- exogenous 20
- facetious 16
- felonious 15
- ferocious 16
- fibrinous 17
- fistulous 15
- flavorous 18
- fractious 16
- frivolous 18
- froufrous 17
- fructuous 18
- fugacious 19
- fulgurous 18
- furacious 17
- garrulous 14
- ginormous 16
- glamorous 16
- globulous 18
- glutenous 15
- glutinous 15
- gummatous 19
- hazardous 22
- hilarious 13
- humongous 19
- humungous 20
- hypogeous 19
- imperious 16
- impetuous 17
- incurious 15
- ingenious 14
- ingenuous 15
- injurious 21
- innocuous 16
- inodorous 12
- insidious 12
- invidious 16
- isogamous 15
- isomerous 13
- judicious 24
- kabeljous 27
- kinkajous 28
- laborious 14
- larcenous 15
- lecherous 16
- libellous 16
- lichenous 17
- litigious 13
- longevous 18
- lubricous 18
- ludicrous 16
- luxurious 20
- macrurous 17
- malarious 14
- malicious 17
- manganous 17
- marvelous 18
- meandrous 15
- melodious 15
- mercurous 17
- micaceous 19
- minacious 17
- momentous 17
- monecious 17
- monstrous 14
- murderous 15
- murmurous 18
- myomatous 18
- nectarous 14
- nefarious 14
- neotenous 12
- nickelous 19
- nonporous 15
- notorious 11
- oblivious 18
- obnoxious 21
- odiferous 14
- officious 19
- oleaceous 14
- oviparous 17
- oxygenous 22
- palladous 16
- pendulous 17
- penurious 15
- plenteous 15
- plumbeous 21
- podagrous 16
- poisonous 14
- pomaceous 19
- ponderous 15
- pumiceous 20
- querulous 22
- rancorous 14
- rapacious 16
- rapturous 14
- religious 13
- righteous 14
- rivalrous 15
- rosaceous 13
- rudaceous 15
- sagacious 15
- salacious 14
- saphenous 16
- scirrhous 15
- sebaceous 16
- seditious 11
- sericeous 13
- setaceous 13
- siliceous 14
- silicious 14
- slumbrous 18
- sorcerous 13
- sphagnous 18
- spiritous 13
- strenuous 12
- stuporous 14
- succubous 21
- sulfurous 16
- sumptuous 18
- susurrous 12
- tenacious 14
- tendinous 13
- tenebrous 14
- thankyous 19
- theftuous 16
- tomentous 14
- torturous 11
- tremulous 15
- trigamous 15
- trigonous 13
- trimerous 13
- troublous 15
- tufaceous 17
- tyrannous 14
- unanimous 16
- uncurious 16
- unenvious 17
- uniparous 15
- unisonous 13
- unserious 12
- untimeous 15
- vagarious 16
- variolous 15
- venereous 15
- venturous 16
- veracious 17
- verdurous 16
- verminous 18
- verrucous 18
- vexatious 21
- vicarious 17
- vinaceous 18
- vivacious 21
- voracious 17
- vulturous 17
- acanthous 14
- acclivous 16
- achromous 16
- acuminous 13
- alburnous 11
- ambagious 14
- anandrous 10
- aphyllous 17
- apiaceous 13
- apivorous 14
- argentous 10
- asbestous 11
- autecious 11
- bifarious 14
- callalous 11
- carbonous 13
- cellulous 11
- cephalous 16
- ceraceous 13
- cinderous 12
- corymbous 18
- craterous 11
- diandrous 11
- epigenous 12
- euryokous 16
- fabaceous 16
- gumptious 14
- harborous 14
- innoxious 16
- irriguous 10
- isogenous 10
- isologous 10
- molybdous 17
- monoicous 13
- naphthous 17
- nonvenous 12
- oviferous 15
- pectinous 13
- pinaceous 13
- platinous 11
- pustulous 11
- quartzous 27
- revelrous 12
- schistous 14
- selenious 9
- semipious 13
- siliquous 18
- stenokous 13
- stomatous 11
- syngamous 15
- synoicous 14
- tantalous 9
- tartarous 9
- tellurous 9
- texturous 16
- thallious 12
- tremorous 11
- trijugous 17
- unguinous 10
- uniramous 11
- unzealous 18
- urogenous 10
- uropodous 12
- vapourous 14
- vimineous 14
- ytterbous 14
- zoogenous 19
- abnormous 13
- adoptious 12
- agnathous 13
- ananthous 12
- aphidious 15
- asepalous 11
- astichous 14
- astucious 11
- autoicous 11
- bibacious 15
- blustrous 11
- burdenous 12
- cariacous 13
- carjacous 20
- cautelous 11
- cellarous 11
- cepaceous 15
- ceruleous 11
- cilicious 13
- columbous 15
- consonous 11
- declivous 15
- deiparous 12
- dicacious 14
- dicrotous 12
- dithecous 15
- dividuous 14
- eburneous 11
- enhydrous 16
- epigaeous 12
- ethereous 12
- eutropous 11
- exsuccous 20
- fagaceous 15
- fatuitous 12
- feracious 14
- fervorous 15
- festivous 15
- filaceous 14
- fulgorous 13
- fulminous 14
- furfurous 15
- germanous 12
- gingerous 11
- glaireous 10
- goustrous 10
- granulous 10
- hybridous 18
- indubious 12
- inebrious 11
- isodomous 12
- isonomous 11
- isopodous 12
- jasperous 18
- lapideous 12
- leaperous 11
- leaporous 11
- leavenous 12
- limaceous 13
- lixivious 19
- luteolous 9
- lyomerous 14
- macrotous 13
- meteorous 11
- moraceous 13
- musaceous 13
- musculous 13
- nefandous 13
- nonparous 11
- oosporous 11
- oraculous 11
- orgillous 10
- ovigerous 13
- panderous 12
- papillous 13
- parecious 13
- paroicous 13
- pecunious 13
- perjurous 18
- pesterous 11
- posticous 13
- prescious 13
- prisonous 11
- pudendous 13
- pulverous 14
- residuous 10
- rubineous 11
- rutaceous 11
- scybalous 16
- simonious 11
- solacious 11
- spinulous 11
- spongeous 12
- spongious 12
- subdolous 12
- subereous 11
- submucous 15
- synecious 14
- syntonous 12
- taxaceous 18
- tetterous 9
- theaceous 14
- thundrous 13
- torminous 11
- triecious 11
- trigynous 13
- tungstous 10
- uliginous 10
- ulmaceous 13
- unanxious 16
- unduteous 10
- unjealous 16
- unobvious 14
- uredinous 10
- urodelous 10
- villanous 12
- vitaceous 14
- wonderous 13
- zoogamous 21
- zoogonous 19
There are 405 9-letter words ending in ous in the well-known word game dictionary, 275 in the Scrabble US (US/Canada/Thailand - TWL/NWL) dictionary, and 401 in the Scrabble UK (International - SOWPODS/CSW) dictionary, and 218 in the Words with Friends (WWF) dictionary.
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