12 Letter Words Ending in OUS Making a list of 12 letter words that end in OUS was so easy for us, we decided to eat a sandwich while you perused the list. Our dictionary has found 425 words that meet your criteria. You can sort the words alphabetically and click on each word to learn the definition.
acanthaceous
achlamydeous
acidophilous
adscititious
advantageous
adventitious
agaricaceous
altitudinous
ambidextrous
amentiferous
amphicoelous
amphistomous
amphitropous
ampullaceous
anemochorous
anemophilous
angiocarpous
angiostomous
anthocarpous
anthophilous
antipetalous
antisepalous
apocynaceous
argillaceous
arthropodous
ascomycetous
assentaneous
asynchronous
atheromatous
bardolatrous
bathophilous
biohazardous
bombacaceous
bootylicious
brachycerous
brachylogous
burseraceous
cacophonious
calycoideous
cantankerous
capillaceous
carbonaceous
carpophagous
cauliflorous
cedrelaceous
cementitious
chaetiferous
chasmogamous
chiropterous
cichoraceous
circumfluous
coleopterous
collembolous
colobomatous
complicitous
compunctious
conchiferous
contemptuous
conterminous
contumacious
contumelious
coprophagous
coprophilous
corallaceous
corollaceous
cotyledonous
crepusculous
cryptogamous
cryptonymous
cupuliferous
cyclostomous
cymotrichous
dasyphyllous
dendrologous
diatomaceous
disanalogous
disaventrous
discocarpous
discongruous
discophorous
discourteous
disingenuous
disputatious
dodecagynous
dodecandrous
doloriferous
droseraceous
elytrigerous
endophyllous
equinumerous
erythematous
eurythermous
exalbuminous
exsanguinous
ferrugineous
flammiferous
frondiferous
fructiferous
fructivorous
furfuraceous
gallinaceous
gametogenous
gamopetalous
gamophyllous
gamosepalous
gastropodous
gentilitious
geraniaceous
glandiferous
glaucomatous
graminaceous
hagiolatrous
hapaxanthous
hebetudinous
heliolatrous
heliophilous
hematogenous
hepatogenous
heteroecious
heterogamous
heterogenous
heterogonous
heterogynous
heterologous
heteromerous
heteronomous
heteronymous
heterotopous
heterozygous
hippophagous
homochromous
homoeomerous
homoiomerous
homomorphous
homothermous
hydrophanous
hydrophilous
hydrophobous
hydrophytous
hygrophilous
hypochlorous
hypocotylous
hypognathous
iconolatrous
idiothermous
impetiginous
inauspicious
incommodious
inconcinnous
incontiguous
infelicitous
inharmonious
inimicitious
innutritious
insalubrious
interosseous
interspinous
iracundulous
isostemonous
keratogenous
lagomorphous
lapidicolous
laticiferous
latitudinous
leiotrichous
ligniperdous
limnophilous
litholatrous
lithophagous
lithophilous
loganiaceous
lomentaceous
luminiferous
luteofulvous
lymphomatous
macrophagous
macropterous
mallophagous
matriclinous
matroclinous
melliphagous
meretricious
mesognathous
mesomorphous
mesophyllous
metagnathous
metamorphous
microdontous
microphagous
micropterous
microsporous
microstomous
microvillous
misventurous
momentaneous
monadelphous
monodelphous
monomorphous
monopetalous
monophyllous
monosepalous
monospermous
monostichous
monotrichous
moschiferous
mucilaginous
multifarious
multiflorous
multiloquous
multivarious
mycetomatous
myxedematous
myxomycetous
necrophagous
necrophilous
necrophorous
neuropterous
nitrogeneous
nitrophilous
nonambiguous
noncancerous
nonconscious
nondangerous
nonfrivolous
nonglamorous
nonhazardous
noninjurious
nonmalicious
nonpoisonous
nonreligious
nonunanimous
obreptitious
obstreperous
obstropalous
obstropulous
ochroleucous
octastichous
octopetalous
octosepalous
octostichous
odontomatous
oleoresinous
oligophagous
ombrophilous
ombrophobous
ophiolatrous
ophiophagous
orchidaceous
orichalceous
orthopterous
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