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12-Letter Words End with 'ous'

There are 132 12-letter words that end with 'ous'.

adscititious	advantageous	adventitious
altitudinous	ambidextrous	amentiferous
anemophilous	anthophilous	argillaceous
ascomycetous	asynchronous	atheromatous
cantankerous	carbonaceous	cementitious
circumfluous	coleopterous	collembolous
cryptogamous	diatomaceous	discourteous
disingenuous	disputatious	complicitous
compunctious	contemptuous	conterminous
contumacious	contumelious	coprophagous
coprophilous	hebetudinous	heliolatrous
hematogenous	heteroecious	heterogamous
heterogenous	heterologous	heteronomous
heterozygous	hygrophilous	meretricious
mesophyllous	microsporous	microvillous
erythematous	eurythermous	luminiferous
lymphomatous	macropterous	monadelphous
mucilaginous	multifarious	mycetomatous
myxedematous	gallinaceous	gametogenous
gamopetalous	impetiginous	inauspicious
incommodious	infelicitous	inharmonious
insalubrious	necrophagous	neuropterous
nonambiguous	noncancerous	nonconscious
nonfrivolous	nonglamorous	nonhazardous
nonpoisonous	nonreligious	nonunanimous
obstreperous	phytophagous	polymorphous
polypetalous	polystichous	porcelaneous
sacrilegious	salutiferous	saprophagous
schizogonous	parsimonious	pectinaceous
percutaneous	peritrichous	pertinacious
seleniferous	semilustrous	seminiferous
semiprecious	simultaneous	slaughterous
soporiferous	oleoresinous	oligophagous
orchidaceous	orthotropous	ostentatious
overcautious	overgenerous	quadrumanous
rambunctious	precancerous	preconscious
preposterous	presumptuous	pseudonymous
steatopygous	subconscious	subcutaneous
succedaneous	sudoriferous	supercilious
suppositious	titaniferous	transpicuous
trichotomous	ultraserious	uncensorious
unchivalrous	uncourageous	unfastidious
unpropitious	unprosperous	unscrupulous
unsuspicious	vainglorious	viruliferous

Note: These 132 12-letter words that end with 'ous' are found from the USA & Canada version of the tournament Scrabble word list.