12 Letter Countable Nouns Starting with TRI

Explore 19 verified English 12 letter countable nouns that start with TRI, including Triglyceride, Triphosphate, Trillionaire, Triumphalist, Tribesperson, Tricentenary and Trichologist. Browse these count nouns with singular and plural forms below, or review singular and plural count rules in our noun grammar guide.

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Starts with TRIB
1 words
tribesperson
Starts with TRIC5 words
tricentenary
trichologist
trichophyton
trichuriasis
trichopteran
Starts with TRIE
1 words
triethiodide
Starts with TRIF
1 words
trifurcation
Starts with TRIG3 words
triglyceride
triggerplant
trigonometer
Starts with TRIL
1 words
trillionaire
Starts with TRIM
1 words
trimethylene
Starts with TRIN
1 words
trinomialist
Starts with TRIP3 words
triphosphate
tripartition
tripudiation
Starts with TRIT
1 words
triterpenoid
Starts with TRIU
1 words
triumphalist

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