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10-letter words with U as the 9th letter

A curated list of 10-letter words tailored to this exact pattern. Use this when U is fixed in the 9th slot; rotate high-frequency consonants elsewhere to prune fast. For example: abstemious, accoucheur, acephalous.

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443 words

Word	Length	Syllables
abstemious	10	3
accoucheur	10	3
acephalous	10	4
acetabulum	10	5
adenovirus	10	5
adulterous	10	4
agapanthus	10	4
alacritous	10	4
albuminous	10	4
alliaceous	10	3
allogamous	10	4
allosaurus	10	4
ambulacrum	10	4
amphibious	10	3
anadromous	10	4
anasarcous	10	4
anatropous	10	4
androecium	10	3
anilinctus	10	4
ankylosaur	10	4
antebellum	10	4
antiplague	10	3
antiplaque	10	3
antonymous	10	4
aposporous	10	4
apothecium	10	4
aquiferous	10	4
arenaceous	10	4
argumentum	10	4
armigerous	10	4
ascogonium	10	4
auditorium	10	4
auriferous	10	4
auspicious	10	3
autoecious	10	3
autogamous	10	4
autogenous	10	4
autologous	10	4
autonomous	10	4
autotomous	10	4
avaricious	10	4
barrelsful	10	3
basketsful	10	3
battailous	10	3
bituminous	10	4
bladdernut	10	3
bluetongue	10	2
blusterous	10	3
boisterous	10	3
bordereaux	10	3
brontosaur	10	3
bucketsful	10	3
cadaverous	10	4
cafetorium	10	4
calamitous	10	4
calcareous	10	3
caliginous	10	4
calumnious	10	3
cancellous	10	3
caoutchouc	10	2
capricious	10	3
catafalque	10	3
censorious	10	3
cerebellum	10	4
ceruminous	10	4
chautauqua	10	3
chivalrous	10	3
cinerarium	10	4
circuitous	10	3
clangorous	10	3
cockalorum	10	4
coetaneous	10	3
colloquium	10	3
colporteur	10	3
commodious	10	3
communique	10	3
compendium	10	3
coniferous	10	4
consortium	10	3
conspectus	10	3
contagious	10	3
contiguous	10	3
continuous	10	3
coriaceous	10	3
coryphaeus	10	3
cotylosaur	10	4
countersue	10	2
courageous	10	3
curriculum	10	4
curvaceous	10	3
curvacious	10	3
decapodous	10	4
delightful	10	3
delphinium	10	3
deltoideus	10	3
derailleur	10	3
despiteful	10	4
despiteous	10	3
diadromous	10	3
diaphanous	10	3
dimorphous	10	3
diplodocus	10	4
disastrous	10	3
disdainful	10	3
disembogue	10	3
disgustful	10	3
dispiteous	10	3
distichous	10	3
dropperful	10	3
drupaceous	10	3
dysprosium	10	3
eczematous	10	4
edentulous	10	4
eigenvalue	10	3
endogamous	10	4
endogenous	10	4
epicardium	10	4
epidendrum	10	4
epineurium	10	4
epiphanous	10	4
epithelium	10	4
ericaceous	10	4
eucalyptus	10	4
euphonious	10	3
extraneous	10	3
factitious	10	3
fallacious	10	3
fasciculus	10	4
fastidious	10	3
felicitous	10	4
fictitious	10	3
flagitious	10	3
foliaceous	10	3
foraminous	10	4
fortuitous	10	3
fuliginous	10	4
gadolinium	10	4
gangrenous	10	3
gelatinous	10	4
glamourous	10	3
glochidium	10	3
glomerulus	10	4
gluttonous	10	3
gonococcus	10	4
gramineous	10	3
gratuitous	10	3
gregarious	10	3
gynandrous	10	3
halogenous	10	4
harmonious	10	3
haustellum	10	3
haustorium	10	3
hellacious	10	3
hemizygous	10	4
herbaceous	10	3
homogamous	10	4
homogenous	10	4
homologous	10	4
homonymous	10	4
homozygous	10	4
homunculus	10	4
honorarium	10	4
horrendous	10	3
humoresque	10	3
hypanthium	10	3
hypogynous	10	4
idolatrous	10	4
impervious	10	3
imprimatur	10	4
impromptus	10	3
incautious	10	3
incestuous	10	3
indecorous	10	4
indigenous	10	4
infectious	10	3
inglorious	10	3
iniquitous	10	4
innumerous	10	4
insightful	10	3
intergroup	10	3
involucrum	10	4
juggernaut	10	3
keratinous	10	4
kettledrum	10	3
knockabout	10	3
languorous	10	3
lanuginous	10	4
lascivious	10	3
lawrencium	10	3
lebensraum	10	3
leguminous	10	4
lentivirus	10	4
leprechaun	10	3
libidinous	10	4
licentious	10	3
lipomatous	10	4
loquacious	10	3
lubricious	10	3
luciferous	10	4
lugubrious	10	3
lycopodium	10	4
malodorous	10	4
marvellous	10	3
meaningful	10	3
meerschaum	10	2
membranous	10	3
memorandum	10	4
mendacious	10	3
metacarpus	10	4
metatarsus	10	4
meticulous	10	4
migrainous	10	3
millefleur	10	3
millennium	10	3
miracidium	10	4
miraculous	10	4
molybdenum	10	4
monestrous	10	3
monoecious	10	3
monogamous	10	4
monogynous	10	4
monotonous	10	4
moratorium	10	4
multigroup	10	3
myocardium	10	3
mystagogue	10	3
mysterious	10	3
myxomatous	10	4
nasturtium	10	3
natatorium	10	4
neglectful	10	3
nephridium	10	3
nidicolous	10	4
nidifugous	10	4
nonaqueous	10	3
nonferrous	10	3
nongaseous	10	3
nonobvious	10	3
nonserious	10	3
nonviscous	10	3
nutritious	10	3
obsequious	10	3
oceanarium	10	4
oesophagus	10	4
oleaginous	10	4
olivaceous	10	4
ommatidium	10	4
omnivorous	10	4
opprobrium	10	3
osmeterium	10	4
osmiridium	10	4
outrageous	10	3
pancratium	10	3
panjandrum	10	3
paramecium	10	4
parapodium	10	4
paronymous	10	4
parvovirus	10	4
pasticheur	10	3
pediculous	10	4
pellagrous	10	3
pelycosaur	10	4
perfidious	10	3
perigynous	10	4
perimysium	10	4
periosteum	10	3
peritoneum	10	4
perjurious	10	3
pernicious	10	3
petrolatum	10	4
phosphorus	10	3
phyllodium	10	3
picaresque	10	3
pitcherful	10	3
plasmodium	10	3
platterful	10	3
plesiosaur	10	3
plunderous	10	3
pocketsful	10	3
polemonium	10	4
poliovirus	10	4
polyanthus	10	3
polygamous	10	4
polygynous	10	4
polysemous	10	4
portentous	10	3
postbellum	10	3
posthumous	10	3
postpartum	10	3
praesidium	10	3
precarious	10	3
precocious	10	3
predaceous	10	3
predacious	10	3
presageful	10	4
primordium	10	3
principium	10	3
procambium	10	3
prodigious	10	3
promethium	10	3
pronucleus	10	3
propitious	10	3
propositus	10	4
propylaeum	10	3
proscenium	10	3
prospectus	10	3
prosperous	10	3
prostomium	10	3
prothallus	10	3
psalterium	10	3
puerperium	10	3
pugnacious	10	3
purposeful	10	4
quadrivium	10	3
radiopaque	10	3
rampageous	10	3
ranunculus	10	4
rapporteur	10	3
rebellious	10	3
referendum	10	4
remorseful	10	4
rendezvous	10	3
respectful	10	3
retrovirus	10	4
revengeful	10	4
rhinovirus	10	4
ridiculous	10	4
robustious	10	3
roisterous	10	3
roundabout	10	3
rouseabout	10	3
roustabout	10	3
salubrious	10	3
sanatorium	10	4
sanitarium	10	4
sanitorium	10	4
satchelful	10	3
sauerkraut	10	2
saxicolous	10	4
scandalous	10	3
scarabaeus	10	3
scattergun	10	3
sclerotium	10	3
scrofulous	10	3
scrupulous	10	3
scurrilous	10	3
seaborgium	10	3
semiopaque	10	3
sequacious	10	3
sequestrum	10	3
serotinous	10	4
sestertium	10	3
shovelsful	10	3
shutterbug	10	3
sialagogue	10	3
simulacrum	10	4
sinistrous	10	3
slanderous	10	3
slumberous	10	3
solicitous	10	4
spermatium	10	3
spirituous	10	3
spittlebug	10	3
splendrous	10	2
sporangium	10	3
sprightful	10	2
squeteague	10	2
statuesque	10	2
stertorous	10	3
stomodaeum	10	3
strabismus	10	3
stramonium	10	3
stridulous	10	3
struthious	10	2
stumblebum	10	3
stupendous	10	3
subaqueous	10	3
suboptimum	10	4
substratum	10	3
successful	10	3
sudatorium	10	4
sulphurous	10	3
supergroup	10	3
superscout	10	3
suspicious	10	3
syncarpous	10	3
synonymous	10	4
teacupsful	10	3
technetium	10	3
tendrilous	10	3
tenebrious	10	3
testaceous	10	3
theonomous	10	3
thereabout	10	3
thimbleful	10	3
thoughtful	10	2
throughout	10	2
throughput	10	2
thunderous	10	3
traitorous	10	3
transvalue	10	2
travelogue	10	3
treasonous	10	3
tremendous	10	3
trichinous	10	3
triclinium	10	3
trolleybus	10	3
troubadour	10	3
trousseaus	10	2
trousseaux	10	2
tuffaceous	10	3
tumblerful	10	3
tumultuous	10	3
ubiquitous	10	4
ultravacua	10	4
umbrageous	10	3
undershrub	10	3
undervalue	10	3
uneventful	10	4
unfaithful	10	3
unfruitful	10	3
ungenerous	10	4
ungraceful	10	4
ungracious	10	3
ungrateful	10	4
unhumorous	10	4
unmerciful	10	4
unskillful	10	3
untruthful	10	3
uproarious	10	3
vaginismus	10	4
victorious	10	3
villainous	10	3
violaceous	10	3
viraginous	10	4
viviparous	10	4
vociferous	10	4
voluminous	10	4
voluptuous	10	3
waterspout	10	3
whereabout	10	3
worshipful	10	3
zoophilous	10	3

FAQs

How do I play around a fixed U in the 9th slot?
Try mixing common consonant clusters (ST, TR, CH) in other positions while keeping U locked.

Why are uncommon words included?
We compile from a broad English list. Skim the top rows for more common picks.