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Words ending with OR (10-letter)

A curated list of 10-letter words tailored to this exact pattern. Endings like OR often mark word families—helpful to confirm tense or morphology. For example: abominator, abstractor, acquisitor.

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152 words
Word Definition Length Syllables
abominator105
abstractor103
acquisitor104
alleviator104
alternator104
ambassador104
antecessor104
applicator104
arbitrator104
attenuator104
baroceptor104
benefactor104
bioreactor103
blackamoor103
brachiator103
buccinator104
calculator104
calibrator104
captivator104
carburetor104
castigator104
celebrator104
chancellor103
circulator104
codirector104
coexecutor104
coinventor103
coinvestor103
collimator104
commutator104
comparator104
competitor104
compositor104
compressor103
contractor103
cooperator104
corporator104
correlator104
councillor103
counsellor103
covenantor104
cultivator104
defalcator104
defoliator104
dehydrator104
delineator104
denigrator104
depredator104
descriptor103
desecrator104
desiccator104
designator104
devastator104
distrainor103
duplicator104
ejaculator105
eliminator105
elucidator105
elutriator104
enumerator105
enunciator104
eradicator105
evaporator105
explicator104
expurgator104
extenuator104
extirpator104
fabricator104
fascinator104
formulator104
fornicator104
franchisor103
granulator104
heptachlor103
hibernator104
improvisor104
inculcator104
inoculator105
inquisitor104
insinuator104
inspirator104
instigator104
institutor104
instructor103
integrator104
intervenor104
irradiator104
lacrimator104
legislator104
liquidator104
lubricator104
machinator104
malefactor104
masticator104
meliorator104
methylator104
multicolor104
negotiator104
neurohumor104
nonreactor103
obstructor103
oculomotor105
originator105
oscillator104
ovipositor105
oxygenator105
percolator104
perforator104
persecutor104
personator104
pollinator104
polyhistor104
postulator104
preparator104
procreator103
procurator104
progenitor104
prolocutor104
propagator104
propraetor103
proprietor103
prosecutor104
prospector103
protractor103
punctuator103
repudiator104
respirator104
rubricator104
rusticator104
servomotor104
speculator104
stimulator104
stipulator104
subjugator104
supervisor104
suppressor103
syncopator104
syndicator104
terminator104
thermistor103
transactor103
transferor103
transistor103
translator103
triturator104
vaccinator104
vacillator104
variegator104
ventilator104
vindicator104
vivisector104
watercolor104

FAQs

What’s typical about OR-ending words?
OR often marks suffix families; think about derivatives when guessing.

Do you include UK/US spellings?
Where they exist, both may appear.