There are a total of 105 9-letter words containing 'iou', and the number may vary in different dictionaries. You can specify the dictionary and order.
- ambitious 16
- anxiously 21
- arsenious 11
- atrocious 13
- audacious 15
- behaviour 19
- bicurious 17
- biliously 17
- bodacious 17
- bumptious 20
- capacious 19
- conscious 17
- copiously 19
- curiouser 14
- curiously 17
- delicious 15
- delirious 12
- deviously 18
- dioecious 14
- dubiously 18
- egregious 14
- enviously 18
- facetious 16
- felonious 15
- ferocious 16
- fractious 16
- fugacious 19
- furacious 17
- furiously 17
- hilarious 13
- imperious 16
- impiously 19
- incurious 15
- ingenious 14
- injurious 21
- insidious 12
- invidious 16
- judicious 24
- laborious 14
- litigious 13
- luxurious 20
- malarious 14
- malicious 17
- melodious 15
- minacious 17
- monecious 17
- nefarious 14
- notorious 11
- noxiously 21
- oblivious 18
- obnoxious 21
- obviously 20
- officious 19
- penurious 15
- piousness 14
- rapacious 16
- religious 13
- sagacious 15
- salacious 14
- seditious 11
- seriously 13
- silicious 14
- tediously 14
- tenacious 14
- thioureas 12
- uncurious 16
- unenvious 17
- unserious 12
- vagarious 16
- variously 17
- veracious 17
- vexatious 21
- vicarious 17
- viciously 20
- vivacious 21
- voracious 17
- ambagious 14
- autecious 11
- bifarious 14
- gumptious 14
- innoxious 16
- selenious 9
- semipious 13
- thallious 12
- adoptious 12
- aphidious 15
- astucious 11
- bibacious 15
- cilicious 13
- dicacious 14
- feracious 14
- indubious 12
- inebrious 11
- lixivious 19
- parecious 13
- pecunious 13
- prescious 13
- scurriour 11
- simonious 11
- solacious 11
- spongious 12
- synecious 14
- triecious 11
- unanxious 16
- unobvious 14
There are 105 9-letter words containing iou in the well-known word game dictionary, 82 in the Scrabble US (US/Canada/Thailand - TWL/NWL) dictionary, and 104 in the Scrabble UK (International - SOWPODS/CSW) dictionary, and 76 in the Words with Friends (WWF) dictionary.
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