10 Letter Words Starting with O and Containing IS

When you need a list of 10 letter words that start with O and contain IS, who you gonna call? WordList Finder! Word lists exactly like these 10 letter words are only a few quick finger taps away on our site. Dive into words that start with O or words with IS to find some more options — if you're feeling a little flexible.

10 letter words
oafishness
obeisances
obeisantly
obeliscoid
obeliskoid
obituarist
obsoletism
occultisms
occultists
ocularists
odalisques
odonatists
oecologist
oenologist
offishness
oliguresis
ololiuquis
omissively
omniscient
omnisexual
omphalitis
oncologist
ontologist
oophoritis
operatised
operatises
operettist
opinionise
opinionist
opisometer
opsonising
optimalise
optimisers
optimising
optimistic
optologist
orchardist
orchidists
orchitises
oreologist
organicism
organicist
organisers
organising
organismal
organismic
orismology
ornithosis
orogenesis
orologists
orphanisms
orrisroots
orthoepist
orthoprism
orthoptist
orthotists
osmidrosis
osteitises
osteolysis
osteosises
ostracised
ostraciser
ostracises
ostracisms
ostrichism
otologists
outfishing
outkissing
outlandish
outpromise
outraising
outwishing
ovaritises
overfished
overfishes
overissued
overissues
overlavish
overpoised
overpoises
overpraise
overwisely
owlishness
oxidisable
oxygenised
oxygeniser
oxygenises
oxyuriasis
ozonolysis