| triplet(noun, three, trio, triangle, triality) |
| triad(noun, group, three, trio, triangle) |
| trio(noun, group, three, triangle, triple) |
| ternary(noun, adjective, three, triality) |
| trey(noun, trio, triangle, triality) |
| trinity(noun, group, three, trio, triangle) |
| troika(noun, group, three, trio, triangle) |
| threesome(noun, group, trio, triangle, triple) |
| ternion(noun, three, trio, triangle, triality) |
| triple(noun, adjective, group, three, trio) |
| 3 |
| leash(noun, triality) |
| trine(noun, group, trio, triangle, triple) |
| trilogy(noun, three, trio, triangle, triple) |
| tercet |
| tierce(noun, triality) |
| triangle(noun, trio, triple, triality) |
| triplex(noun, three) |
| triptych(noun, trio, triangle) |
| triumvirate(noun, group, three, trio, triangle) |