clover, deuce-ace, leash, set of three, shamrock, tercet, tern, ternal, ternate, ternion, terzetto, three, three-ply, threefold, threesome, tierce, treble, trefoil, trey, triad, trialogue, triangle, tricorn, trident, triennium, trihedron, trilogic, trilogy, trimester, trinal, trine, trinity, trinomial, trio, triphthong, triple, triple crown, triple threat, triplet, triplex, triplicate, triplopy, tripod, triptych, trireme, triseme, triskelion, trisul, triumvirate, triunity, trivet, troika
triality, trinity, triunity, three, triad, triplet, trey, trio, ternion, leash, shamrock, tierce, spike-team, trefoil, triangle, trident, triennium, trigon, trinomial, trionym, triplopia, tripod, trireme, triseme, triskele, triskelion, trisula, third power, cube, cube root, three, triform, trinal, trinomial, tertiary, ternary
, triune, triarch, triadie, triple, tri-, tris-, tria juncta in uno.
triplication, triplicity, trebleness, trine, treble, triple, tern, ternary
, triplicate, threefold, trilogistic, third, trinal, trine, three times, three fold, thrice, in the third place, thirdly, trebly.