16 Letter Countable Nouns Starting with TRI

Browse 13 valid English 16 letter countable nouns that start with TRI, from Triiodothyronine, Triphenylmethane, Trimethylglycine, Trimethylbenzene, Triskaidekaphobe, Trichostrongylus and Trimethylmethane to rarer terms. Check definitions and spelling below, or visit our noun grammar guide to review singular and plural count rules.

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Starts with TRIC3 words
trichostrongylus
trichostrongylid
trichosporangium
Starts with TRIG
1 words
trigonometrician
Starts with TRII
1 words
triiodothyronine
Starts with TRIM3 words
trimethylglycine
trimethylbenzene
trimethylmethane
Starts with TRIP
2 words
triphenylmethane
tripleurospermum
Starts with TRIS
1 words
triskaidekaphobe
Starts with TRIT
2 words
trithiocarbonate
tritetartemorion

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