Countable Nouns Starting with TRIA and Containing ON

Browse 7 valid English countable nouns starting with TRIA and containing ON, from Triathlon, Triangulation, Triaxon, Triaconter, Triakisoctahedron, Triakistetrahedron and Triakisicosahedron 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 TRIAC
1 words
triaconter
Starts with TRIAK3 words
triakisoctahedron
triakistetrahedron
triakisicosahedron
Starts with TRIAN
1 words
triangulation
Starts with TRIAT
1 words
triathlon
Starts with TRIAX
1 words
triaxon

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