12 Letter Words Starting with TRI and Containing O

When you need a list of 12 letter words that start with TRI and contain O, who you gonna call? WordList Finder! Word lists exactly like these 12 letter words are only a few quick finger taps away on our site. Dive into words that start with TRI or words with O to find some more options — if you're feeling a little flexible.

12 letter words
triadelphous
tribespeople
tribological
tribologists
tribulations
tricephalous
trichinosing
trichlorfons
trichlorides
trichlorphon
trichocystic
trichogynial
trichologies
trichologist
trichomonads
trichophyton
trichopteran
trichotomies
trichotomise
trichotomize
trichotomous
trichromatic
tricorporate
tridactylous
tridominiums
triethiodide
trifoliolate
trifurcation
trigonometer
trigonometry
trillionaire
trimethoprim
trimetrogons
trimolecular
trimorphisms
trinacriform
trinomialism
trinomialist
tripartition
triphosphate
triphthongal
triplication
tripudiation
tritagonists
triterpenoid
trithionates
tritocerebra
triturations