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13-Letter Words Start with 'tri'

There are 29 13-letter words that start with 'tri'.

triamcinolone triangularity
triangulating triangulation
triaxialities triboelectric
tricarboxylic triceratopses
trichlorphons trichologists
trichopterans trichothecene
trichromatism tricksinesses
trifurcations triggerfishes
triglycerides trigonometric
triliteralism trimethoprims
trinucleotide triphosphates
triplications triploblastic
trisaccharide trisoctahedra
tritheistical triumphalisms
triumphalists

Note: These 29 13-letter words that start with 'tri' are found from the USA & Canada version of the tournament Scrabble word list.