9 Letter Words Starting with O and Containing NI

When you need a list of 9 letter words that start with O and contain NI, who you gonna call? WordList Finder! Word lists exactly like these 9 letter words are only a few quick finger taps away on our site. Dive into words that start with O or words with NI to find some more options — if you're feeling a little flexible.

9 letter words
obconical
obscenity
obsigning
obtaining
oceanides
octennial
oecumenic
oenomania
olivenite
omniarchs
omnibuses
omnicides
omnieties
omnifying
omnirange
omnivores
onanistic
oncogenic
onioniest
onionskin
ontogenic
oogoniums
opinioned
oppugning
opsomania
opsonised
opsonises
opsoniums
opsonized
opsonizes
optioning
optronics
ordaining
organical
organised
organiser
organises
organisms
organists
organized
organizer
organizes
ornithine
ornithoid
orogenies
orphaning
orphanism
ortanique
outlining
outnights
overnight
oxyanions
oxygenise
oxygenize
ozonisers
ozonising
ozonizers
ozonizing