13 Letter Words Ending in OUS

Browse 372 verified English 13 letter words that end with OUS, including Miscellaneous, Conscientious, Instantaneous, Superstitious, Heterogeneous, Inconspicuous and Unpretentious. Validated against official game lexicons for Scrabble, Wordle, crosswords, and daily writing, explore definitions and letter counts below.

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Starts with A
24 words
antireligious
autochthonous
arteriovenous
autocephalous
allochthonous
argentiferous
angiospermous
acotyledonous
aluminiferous
aphanipterous
anepigraphous
argilliferous
andromorphous
anencephalous
arundinaceous
adelomorphous
anisophyllous
amarantaceous
anisopetalous
anisopleurous
antenniferous
animalivorous
amphitrichous
arthrosporous
Starts with B
8 words
braggadocious
brachypterous
bibliolatrous
balsamiferous
boraginaceous
brassicaceous
bromeliaceous
bignoniaceous
Starts with C
24 words
conscientious
carboniferous
cartilaginous
carcinomatous
cleistogamous
chondromatous
condylomatous
camphoraceous
consentaneous
cephalopodous
cavernicolous
cobaltiferous
coralliferous
crassulaceous
cinchonaceous
cleistogenous
cylindraceous
coralligenous
chondrosteous
caulerpaceous
cynocephalous
chorisepalous
coelacanthous
celastraceous
Starts with D
24 words
discontinuous
disharmonious
discontiguous
demeritorious
detritivorous
discommodious
diatomiferous
dendrophilous
dextrotropous
diathermanous
dendrophagous
desmidiaceous
deuterotokous
dialypetalous
dialyphyllous
diamesogamous
discomycetous
dichlamydeous
dialysepalous
desmognathous
dilleniaceous
diabetogenous
dictyodromous
dendrocoelous
Starts with E
24 words
emphysematous
entomophagous
exanthematous
enterocoelous
entomophilous
extrasensuous
erysipelatous
equiponderous
exsanguineous
embryophagous
equisetaceous
electriferous
eosinophilous
entomophytous
exencephalous
enneapetalous
eurycephalous
enneasepalous
enanthematous
epacridaceous
eurystomatous
eremochaetous
epidotiferous
ericeticolous
Starts with F
10 words
fossiliferous
fortitudinous
filipendulous
fibrinogenous
frumentaceous
fermentitious
filibusterous
firmisternous
faradonervous
frumentarious
Starts with G
12 words
granulomatous
gymnospermous
graminivorous
gynodioecious
grandiloquous
garnetiferous
graminicolous
gentianaceous
globuliferous
geitonogamous
gesneriaceous
granuliferous
Starts with H
17 words
heterogeneous
hypercautious
heterosporous
hematophagous
hymenopterous
homeomorphous
hypertrophous
heterocystous
homeothermous
heteropterous
heterocarpous
hysteranthous
hexadactylous
heterostylous
heteroclitous
hydrosomatous
heterotactous
Starts with I
7 words
instantaneous
inconspicuous
insectivorous
inhomogeneous
inefficacious
isospondylous
isodimorphous
Starts with J
1 words
juglandaceous
Starts with L
3 words
lepidopterous
lissotrichous
leptophyllous
Starts with M
20 words
miscellaneous
multitudinous
metalliferous
mucocutaneous
monotrematous
magnoliaceous
microphyllous
manganiferous
melancholious
magnitudinous
membranaceous
medicamentous
megacephalous
monothalamous
mammaliferous
melanochroous
monodactylous
mycetophagous
mesocephalous
malacophilous
Starts with N
15 words
nonindigenous
noncontiguous
noncontagious
nonmonogamous
noninfectious
nonautonomous
noncontinuous
nonnutritious
nonhomologous
nectarivorous
nectariferous
nongregarious
nonleguminous
nymphaeaceous
nickeliferous
Starts with O
11 words
overambitious
ovoviviparous
overconscious
ophiomorphous
overcredulous
overingenious
orthognathous
orthostichous
ommatophorous
ostreophagous
odontophorous
Starts with P
24 words
pusillanimous
perspicacious
platitudinous
proteinaceous
planktivorous
papillomatous
plenitudinous
polydactylous
petroliferous
prolegomenous
porcellaneous
phanerogamous
protanomalous
platiniferous
pleurocarpous
polygonaceous
phyllophagous
polleniferous
pentastichous
plagiostomous
plagiotropous
polygalaceous
polythalamous
proterandrous
Starts with Q
2 words
quartziferous
quadrifarious
Starts with R
6 words
rectitudinous
rhizomorphous
rhopalocerous
reptilivorous
reptiliferous
restionaceous
Starts with S
24 words
superstitious
surreptitious
sanctimonious
serendipitous
semiconscious
splendiferous
semireligious
subterraneous
supercautious
subbituminous
stoloniferous
sacrotuberous
schizocoelous
stercoraceous
subreptitious
schizaeaceous
siphoniferous
skeletogenous
sphagnicolous
subcontinuous
siphonogamous
subcoriaceous
stenopetalous
schizocarpous
Starts with T
10 words
thermophilous
trichopterous
tautochronous
treponematous
tetradynamous
tubuliflorous
tauromorphous
tetrastichous
toxicophagous
thymophyllous
Starts with U
10 words
unpretentious
unceremonious
unadventurous
uncontentious
umbelliferous
unspontaneous
ultracautious
ultraluminous
unsuperfluous
ustilagineous
Starts with V
3 words
ventriloquous
vitelligenous
velloziaceous
Starts with X
5 words
xanthochroous
xanthocarpous
xiphophyllous
xerodermatous
xanthodontous
Starts with Z
2 words
zygodactylous
zirconiferous

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