Triad rhymes with:
dyad, amistad, amstrad, armstrad, autorad, branstad, caridad, compuadd, comrade, doodad, dyad, ecad, ekblad, ershad, galahad, grandad, halmstad, hyderabad, ironclad, kaliningrad, keypad, kjenstad, kvistad, leningrad, magistad, messagepad, mirsad, mongstad, nomad, novogrod, olympiad, semiclad, sinbad, soledad, stalingrad, thinkpad, trinidad, unctad, undergrad, visegrad, volgograd, zycad
Triad sounds like:
tarditi, tardy, tarot, tarred, tart, tarte, tartt, tattered, teetered, terada, teradata, terre-haute, territo, tertia, tethered, there'd, theriot, third, thirtieth, thirty, thordia, thread, threaded, threat, threatt, threet, throat, throated, throaty, thwart, thwarted, thyroid, tiered, tirade, tirado, tired, torrid, tort, torte, torti, toured, tourette, toward, towered, trade, traded, trait, traudt, traut, trauth, tread, treadaway, treadway, treat, treated, treaty, tredway, trethewey, tried, trite, tritt, trod, trot, troth, trott, trotted, troudt, trout, troutt, troyat, truda, trude, trudeau, trudia, trudie, trudo, trudy, truett, truitt, truth, tryart, tryout, turret, tutored, twardy