Nouns Starting with TRI and Containing O

Browse 210 valid English nouns starting with TRI and containing O, from Trillion, Trio, Trilogy, Tripod, Triathlon, Tribulation and Trigonometry to rarer terms. Check definitions and spelling below, or visit our noun grammar guide to review pluralization and capitalization rules.

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triathlon
triangulation
triamcinolone
trialogue
triazole
triaxon
triaconter
triakisoctahedron
triacetyloleandomycin
triakistetrahedron
triactor
triakisicosahedron
triakisoctahedrid
tribulation
tribeswoman
tribology
tribesperson
tribologist
triboluminescence
triboelectricity
tribometer
tribromomethane
tribromoethanol
tribophosphorescence
tribofluorescence
tribromoacetaldehyde
tribophosphoroscope
triceratops
tricolor
trickledown
trichomoniasis
trichotomy
tricot
trichinosis
trichome
tricorn
trichotillomania
tricorne
trichomonas
triclosan
trichromacy
trichloride
trichloroethylene
trichrome
trichologist
trichology
trichloromethane
trichromat
trichomonad
trichloroethane
trichothecene
tridimensionality
tridominium
triethiodide
trifold
trifocals
trifocal
triforium
trifolium
trifurcation
trifluoromethane
trifluoperazine
trifluorochloromethane
trigonometry
trigon
trigone
triglot
trigo
trigonometer
trigonometrician
trigonododecahedron
trihalomethane
trihedron
trihemitetartemorion
triiodothyronine
triiodomethane
trillion
trilogy
trillionth
trilobite
trillionaire
trilogue
trilateration
trilithon
trillo
trilobe
trimethoprim
trimotor
trimonthly
trimpot
trimox
trimphone
trimethadione
trimetrogon
trimorphism
trimorph
trinomial
trinitrotoluene
trinocular
trinucleotide
trinitroglycerin
trinitrophenol
triniscope
trinitrobenzene
trinitrocellulose
trinitrocresol
trinomialist
trinomialism
trinitroresorcin
trinitrophenylmethylnitramine
trio
triode
trioxide
triolet
triol
trioxygen
triose
triolein
triones
trionyx
trionymal
trionym
trionychid
trionychoideachid
tripod
tripoli
triphosphate
triploid
tripolis
triploidy
tripos
tripartition
triphthong
triphenylphosphine
tripolitan
tripehound
tripersonalism
triphone
tripodfish
tripersonality
triptote
triphenylcarbinol
tripudiation
tripleurospermum
tripody
triphosphopyridine
tripersonalist
triplochitonaceae
trisomy
triskaidekaphobia
trisector
trisagion
trisection
triskelion
trisomic
triskaidekaphobe
trisome
trisoctahedron
triton
tritone
trituration
triterpenoid
tritagonist
tritanopia
tritiation
tritanope
tritoma
tritonia
triturator
trithiocarbonate
tritocerebrum
trithionate
tritetartemorion
trivialization
trizone

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