Home · Words · 10-letter words with O as the 9th letter

10-letter words with O as the 9th letter

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

Wordle Helper Spelling Bee Helper

765 words

Word	Length	Syllables
abdication	10	4
aberration	10	4
abjuration	10	4
abnegation	10	4
abominator	10	5
abreaction	10	3
abrogation	10	4
abscission	10	3
absolution	10	4
absorption	10	3
abstention	10	3
abstractor	10	3
accusation	10	4
acquisitor	10	4
activation	10	4
adaptation	10	4
adjunction	10	3
adjuration	10	4
admiration	10	4
admonition	10	4
adsorption	10	3
advocation	10	4
affixation	10	4
affliction	10	3
aggression	10	3
alienation	10	4
alkylation	10	4
allegation	10	4
alleviator	10	4
allocation	10	4
allocution	10	4
alteration	10	4
alternator	10	4
altiplanos	10	4
ambassador	10	4
ambulation	10	4
ammunition	10	4
amputation	10	4
andantinos	10	4
angulation	10	4
annexation	10	4
annotation	10	4
annulation	10	4
antecessor	10	4
antibaryon	10	4
antilepton	10	4
antipastos	10	4
antiproton	10	4
apparition	10	4
applicator	10	4
apposition	10	4
arbitrator	10	4
archbishop	10	3
archdeacon	10	3
armadillos	10	4
arrogation	10	4
ascription	10	3
aspiration	10	4
assumption	10	3
attenuator	10	4
attraction	10	3
autochthon	10	3
automation	10	4
backgammon	10	3
barbershop	10	3
baroceptor	10	4
benefactor	10	4
bilocation	10	4
biocontrol	10	3
bioreactor	10	3
bitterroot	10	3
blackamoor	10	3
bolivianos	10	4
brachiator	10	3
brachiopod	10	3
brazilwood	10	3
bridegroom	10	3
buccinator	10	4
burladeros	10	4
buttonhook	10	3
buttonwood	10	3
butylation	10	4
caballeros	10	4
calciferol	10	4
calculator	10	4
calibrator	10	4
campesinos	10	4
candlewood	10	3
cannabinol	10	4
capitation	10	4
capriccios	10	3
captivator	10	4
carbonados	10	4
carburetor	10	4
carpaccios	10	3
castigator	10	4
castration	10	3
catenation	10	4
catholicoi	10	4
catholicon	10	4
catholicos	10	4
cavitation	10	4
celebrator	10	4
centesimos	10	4
centillion	10	3
cephalopod	10	4
champignon	10	3
chancellor	10	3
chaparajos	10	4
chaparejos	10	4
chatterbox	10	3
cheechakos	10	3
chickenpox	10	3
childproof	10	2
chirurgeon	10	3
cigarillos	10	4
circulator	10	4
closestool	10	3
coaptation	10	3
cochampion	10	3
codirector	10	4
codswallop	10	3
coexecutor	10	4
cofunction	10	3
cogitation	10	4
coinventor	10	3
coinvestor	10	3
collection	10	3
collimator	10	4
coloration	10	4
combustion	10	3
commission	10	3
commutator	10	4
compaction	10	3
comparator	10	4
comparison	10	4
compassion	10	3
compatriot	10	3
competitor	10	4
completion	10	3
complexion	10	3
compositor	10	4
compressor	10	3
compulsion	10	3
conception	10	3
concession	10	3
conclusion	10	3
concoction	10	3
concretion	10	3
concussion	10	3
conduction	10	3
confection	10	3
confession	10	3
conflation	10	3
congestion	10	3
connection	10	3
conniption	10	3
contention	10	3
contortion	10	3
contractor	10	3
contraltos	10	3
contrition	10	3
convection	10	3
convention	10	3
conversion	10	3
conviction	10	3
convulsion	10	3
cooperator	10	4
copulation	10	4
coronation	10	4
corotation	10	4
corporator	10	4
correction	10	3
correlator	10	4
corruption	10	3
cottonwood	10	3
councillor	10	3
counsellor	10	3
counterion	10	3
countertop	10	3
cousinhood	10	3
covenantor	10	4
coyotillos	10	3
crescendos	10	3
crushproof	10	2
cultivator	10	4
cumulation	10	4
cunctation	10	3
curmudgeon	10	3
deaeration	10	3
decahedron	10	4
decimation	10	4
declension	10	3
decoration	10	4
decryption	10	3
dedication	10	4
defalcator	10	4
defamation	10	4
defecation	10	4
definition	10	4
deflection	10	3
defoliator	10	4
dehydrator	10	4
delegation	10	4
delineator	10	4
demolition	10	4
denegation	10	4
denigrator	10	4
denotation	10	4
denudation	10	4
depilation	10	4
deposition	10	4
depredator	10	4
depression	10	3
deputation	10	4
derivation	10	4
derogation	10	4
descension	10	3
descriptor	10	3
desecrator	10	4
desiccator	10	4
designator	10	4
desolation	10	4
desorption	10	3
desperados	10	4
detonation	10	4
detraction	10	3
devastator	10	4
devolution	10	4
dichlorvos	10	3
dicoumarol	10	4
didgeridoo	10	4
didjeridoo	10	4
digression	10	3
dilatation	10	4
diminution	10	4
discretion	10	3
discussion	10	3
dismission	10	3
dispassion	10	3
dispersion	10	3
displosion	10	3
disruption	10	3
dissection	10	3
dissension	10	3
dissention	10	3
dissuasion	10	3
distension	10	3
distention	10	3
distortion	10	3
distrainor	10	3
disulfoton	10	4
divagation	10	4
divination	10	4
domination	10	4
donnybrook	10	3
dubitation	10	4
duodecimos	10	4
duplicator	10	4
ebullition	10	4
eisteddfod	10	3
ejaculator	10	5
eliminator	10	5
elongation	10	4
elucidator	10	5
elutriator	10	4
eluviation	10	4
emaciation	10	4
emendation	10	4
emigration	10	4
encephalon	10	4
encryption	10	3
enervation	10	4
enumerator	10	5
enunciator	10	4
epilimnion	10	4
equitation	10	4
eradicator	10	5
ergosterol	10	4
eructation	10	4
escalation	10	4
escutcheon	10	3
estimation	10	4
estivation	10	4
ethambutol	10	4
etiolation	10	4
eucalyptol	10	4
evacuation	10	4
evaluation	10	4
evaporator	10	5
exaltation	10	4
excavation	10	4
excerption	10	3
excitation	10	4
execration	10	4
exhalation	10	4
exhaustion	10	3
exhibition	10	4
exhumation	10	4
expedition	10	4
expiration	10	4
explicator	10	4
exposition	10	4
expression	10	3
expunction	10	3
expurgator	10	4
exsolution	10	4
extenuator	10	4
extinction	10	3
extirpator	10	4
extraction	10	3
exultation	10	4
exuviation	10	4
fabricator	10	4
fasciation	10	3
fascinator	10	4
fatherhood	10	3
federation	10	4
feuilleton	10	3
figuration	10	4
filtration	10	3
flameproof	10	3
flirtation	10	3
floatation	10	3
floriation	10	3
foreshadow	10	4
formulator	10	4
fornicator	10	4
foundation	10	3
franchisor	10	3
fumigation	10	4
gemination	10	4
generation	10	4
gingerroot	10	3
glaciation	10	3
gleization	10	3
glissandos	10	3
graduation	10	3
granulator	10	4
greasewood	10	3
groundwood	10	2
habitation	10	4
hacendados	10	4
halocarbon	10	4
handbarrow	10	3
heartthrob	10	2
heathendom	10	3
hebetation	10	4
hemelytron	10	4
heptachlor	10	3
herniation	10	3
hesitation	10	4
heteroatom	10	4
hexahedron	10	4
hibernator	10	4
homeschool	10	3
hullabaloo	10	4
imbibition	10	4
imbroglios	10	3
immolation	10	4
immunoblot	10	4
imposition	10	4
impression	10	3
improvisor	10	4
imputation	10	4
incitation	10	4
incognitos	10	4
incubation	10	4
inculcator	10	4
indagation	10	4
indecision	10	4
indexation	10	4
indication	10	4
indophenol	10	4
induration	10	4
infarction	10	3
infixation	10	4
inflection	10	3
infliction	10	3
infraction	10	3
ingression	10	3
inhalation	10	4
inhibition	10	4
inhumation	10	4
initiation	10	4
injunction	10	3
innovation	10	4
inoculator	10	5
inquisitor	10	4
insinuator	10	4
insolation	10	4
inspection	10	3
inspirator	10	4
instigator	10	4
institutor	10	4
instructor	10	3
insulation	10	4
integrator	10	4
interferon	10	4
intertroop	10	3
interunion	10	4
intervenor	10	4
intimation	10	4
intinction	10	3
intonation	10	4
intubation	10	4
inundation	10	4
invitation	10	4
invocation	10	4
involution	10	4
iodination	10	4
ionization	10	4
irradiator	10	4
irreligion	10	4
irrigation	10	4
irritation	10	4
jubilation	10	4
knighthood	10	2
komondorok	10	4
laceration	10	4
lacrimator	10	4
lamination	10	4
larghettos	10	3
laureation	10	3
lazarettos	10	4
legislator	10	4
levigation	10	4
levitation	10	4
libecchios	10	3
liberation	10	4
lightproof	10	2
likelihood	10	4
limitation	10	4
liquidator	10	4
literation	10	4
litigation	10	4
livelihood	10	4
lobulation	10	4
locomotion	10	4
lubricator	10	4
lustration	10	3
maceration	10	4
machinator	10	4
maculation	10	4
magnificos	10	4
maidenhood	10	3
majordomos	10	4
malapropos	10	4
malefactor	10	4
manifestos	10	4
marination	10	4
masticator	10	4
maturation	10	4
medication	10	4
meditation	10	4
meliorator	10	4
mesenteron	10	4
methylator	10	4
middlebrow	10	3
midsection	10	3
milliosmol	10	3
minischool	10	3
miscaption	10	3
miscatalog	10	4
misdevelop	10	4
misprision	10	3
mitigation	10	4
moderation	10	4
modulation	10	4
morulation	10	4
motherhood	10	3
motivation	10	4
motoneuron	10	4
multicolor	10	4
multiunion	10	3
mustachios	10	3
mutilation	10	4
nationhood	10	3
navigation	10	4
negotiator	10	4
neurohumor	10	4
newsperson	10	3
nincompoop	10	3
nodulation	10	4
nomination	10	4
nonfiction	10	3
nonreactor	10	3
nucleation	10	3
numeration	10	4
obbligatos	10	4
obligation	10	4
obstructor	10	3
obturation	10	4
occupation	10	4
octahedron	10	4
oculomotor	10	5
opposition	10	4
oppression	10	3
orangewood	10	4
ordination	10	4
originator	10	5
ornithopod	10	4
orphanhood	10	3
oscillator	10	4
osculation	10	4
outstation	10	3
overaction	10	4
overborrow	10	4
overshadow	10	4
ovipositor	10	5
oxygenator	10	5
pagination	10	4
palliation	10	3
parenthood	10	3
pasticcios	10	3
patination	10	4
peckerwood	10	3
peculation	10	4
pentathlon	10	3
pentstemon	10	3
peoplehood	10	3
perception	10	3
percolator	10	4
percussion	10	3
perfection	10	3
perforator	10	4
perihelion	10	4
perikaryon	10	4
periphyton	10	4
permeation	10	3
permission	10	3
peroration	10	4
persecutor	10	4
personator	10	4
personhood	10	3
persuasion	10	3
perversion	10	3
phenomenon	10	4
phlogiston	10	3
photoflood	10	3
pincushion	10	3
pistachios	10	3
pixilation	10	4
plantation	10	3
playfellow	10	3
pocketbook	10	3
poisonwood	10	3
politburos	10	4
pollinator	10	4
polyhedron	10	4
polyhistor	10	4
polyphenol	10	4
population	10	4
portfolios	10	3
possession	10	3
postillion	10	3
postprison	10	3
postseason	10	3
postulator	10	4
precaution	10	3
precession	10	3
preclusion	10	3
prediction	10	3
preemption	10	2
prehension	10	3
prelection	10	3
preparator	10	4
preportion	10	3
pretension	10	3
prevention	10	3
priesthood	10	2
procession	10	3
procreator	10	3
procurator	10	4
production	10	3
profession	10	3
progenitor	10	4
projection	10	3
prolocutor	10	4
promptbook	10	2
pronephros	10	3
propagator	10	4
proportion	10	3
propraetor	10	3
proprietor	10	3
propulsion	10	3
prosecutor	10	4
prospector	10	3
protection	10	3
protractor	10	3
protrusion	10	3
pteranodon	10	4
punctation	10	3
punctilios	10	3
punctuator	10	3
pyrogallol	10	4
quaternion	10	3
quebrachos	10	3
quercitron	10	3
radicchios	10	3
recitation	10	4
recreation	10	3
redemption	10	3
redivision	10	4
reelection	10	3
reemission	10	3
reflection	10	3
refraction	10	3
refutation	10	4
regression	10	3
regulation	10	4
reignition	10	3
reinvasion	10	3
relaxation	10	4
relegation	10	4
relocation	10	4
renovation	10	4
reparation	10	4
repetition	10	4
reposition	10	4
repression	10	3
repudiator	10	4
reputation	10	4
rescission	10	3
resolution	10	4
resorcinol	10	4
resorption	10	3
respirator	10	4
resumption	10	3
retraction	10	3
revelation	10	4
revocation	10	4
revolution	10	4
rhinoceros	10	4
rubricator	10	4
rumination	10	4
rusticator	10	4
salivation	10	4
salutation	10	4
sanbenitos	10	4
sandalwood	10	3
sanitation	10	4
saturation	10	4
schoolbook	10	2
schoolroom	10	2
separation	10	4
septillion	10	3
servomotor	10	4
sextillion	10	3
sforzandos	10	3
shellproof	10	2
sheriffdom	10	3
shockproof	10	2
shopwindow	10	3
sibilation	10	4
simulation	10	4
sisterhood	10	3
sitosterol	10	4
sixteenmos	10	3
sketchbook	10	2
snapdragon	10	3
solfeggios	10	3
sonication	10	4
sopraninos	10	4
sostenutos	10	4
soundproof	10	2
sourcebook	10	3
spallation	10	3
speciation	10	3
speculator	10	4
spoliation	10	3
springwood	10	2
squamation	10	3
stagnation	10	3
stainproof	10	2
starvation	10	3
stimulator	10	4
stipulator	10	4
stomatopod	10	4
stonemason	10	4
strappados	10	3
strobotron	10	3
subduction	10	3
subjection	10	3
subjugator	10	4
subkingdom	10	3
submersion	10	3
submission	10	3
subreption	10	3
subsection	10	3
substation	10	3
subvention	10	3
subversion	10	3
succession	10	3
suggestion	10	3
summerwood	10	3
superalloy	10	4
supervisor	10	4
supination	10	4
suppletion	10	3
suppressor	10	3
surjection	10	3
suspension	10	3
switcheroo	10	3
syncopator	10	4
syndicator	10	4
tablespoon	10	3
tabulation	10	4
tamarillos	10	4
telephotos	10	4
television	10	4
temptation	10	3
tenderfoot	10	3
tenterhook	10	3
terminator	10	4
thermistor	10	3
titivation	10	4
tocopherol	10	4
toleration	10	4
tomatillos	10	4
tourbillon	10	3
trabeation	10	3
trajection	10	3
transactor	10	3
transferor	10	3
transistor	10	3
transition	10	3
translator	10	3
transposon	10	3
trisection	10	3
triskelion	10	3
triturator	10	4
truncation	10	3
ulceration	10	4
underproof	10	3
undershoot	10	3
understood	10	3
undulation	10	4
unorthodox	10	4
urtication	10	4
usurpation	10	4
vaccinator	10	4
vacillator	10	4
validation	10	4
vaporettos	10	4
variegator	10	4
vegetation	10	4
veneration	10	4
ventilator	10	4
vermillion	10	3
victimhood	10	3
vindicator	10	4
visitation	10	4
vivisector	10	4
waitperson	10	3
watercolor	10	4
waterflood	10	3
watermelon	10	4
waterproof	10	3
wirephotos	10	4
yellowwood	10	3
yokefellow	10	4
zapateados	10	4
zucchettos	10	3
zwitterion	10	3

FAQs

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

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