| triplet(noun, three, triangle, triality, triptych) |
| threesome(noun, group, three, triangle, three times) |
| three(noun, group, three, triangle, triality) |
| trinity(noun, group, three, triangle) |
| triad(noun, group, three, triangle, triality) |
| trine(noun, group, three, triangle, triptych) |
| triple(noun, group, three, triangle, triptych) |
| team(noun, company, group, band, side) |
| ternion(noun, three, triangle, triality, triptych) |
| troika(noun, group, three, triangle, triptych) |
| trey(noun, three, triangle, triality, triptych) |
| ternary |
| leash(noun, three, triality) |
| tercet |
| tierce(noun, triality) |
| trilogy(noun, three, triangle, triptych, troika) |
| triumvirate(noun, group, three, triangle, triptych) |
| terzetto |
| tripod(noun, three, triality) |
| triptych(noun, three, triangle, troika) |