- Triradially Adv
- Triradiate Adj
- Triradius Noun
- Trirectangular Adj
- Triregnum Noun
- Trireme Noun
- Triricinolein Noun
- Trisect Verb
- Trisected Adj
- Trisection Noun
- Trisector Noun
- Trisectrix Noun
- Triserial Adj
- Trishaw Noun
- Trisilane Noun
- Trisilicate Noun
- Trisilicic Adj
- Trisistor Noun
- Triskaidekaphobe Noun
- Triskaidekaphobia Noun
- Triskeles Noun
- Trismus Noun
- Trisoctahedron Noun
- Trisomic Adj
- Trisomy Noun
- Trisonic Adj
- Trisplanchnic Adj
- Trisporic Adj
- Tristan Noun
- Tristate Adj Noun
- Tristearin Noun
- Tristful Adj
- Tristich Noun
- Tristichous Adj
- Tristimulus Adj Noun
- Tristocompatibility Noun
- Tristomic Adj
- Trisubstituted Adj
- Trisulfide Noun
- Trisulfonic Adj
- Trisyllabic Adj
- Trisyllable Noun
- Tritangent Adj
- Tritanomaly Noun
- Tritanopia Noun
- Trite Adj
- Tritely Adv
- Triter Noun
- Tritetrahedron Noun
- Tritheism Noun
- Trithiane Noun
- Trithiocarbonate Noun
- Trithionate Noun
- Tritiated Adj
- Triticale Noun
- Triticeal Adj
- Triticeous Adj
- Tritium Noun
- Triton Noun
- Tritone Noun