ROGET THESAURUS
trigrammatic
Trisection
N
trisection, tripartition, trichotomy, third, third part, trifid, trisected, tripartite, trichotomous, trisulcate, Triadelphous, triangular, tricuspid, tricapsular, tridental, tridentate, tridentiferous, trifoliate, trifurcate, trigonal, trigrammic,
trigrammatic, tripetalous, tripodal, tripodic, triquetral, triquetrous.