Regret rhymes with:
bourret, bret, brett, cartrette, charrette, chevrette, corette, fret, frett, irette, jeanerette, jenrette, laurette, lorette, pierette, pret, ret, rhett, threat
Regret sounds like:
rasorite, reacquired, reassert, reasserted, reassured, reckard, record, recorded, recreate, recreated, recruit, recruited, recurred, regard, regarded, regretted, reichard, reichardt, reichart, reichert, reighard, reisert, required, resort, resorted, rexroad, rexroat, rexrode, rexrodt, rexroth, ricard, ricardo, ricaurte, riccardi, riccardo, ricciardi, richard, richardt, richart, richerd, richert, rickard, rickert, rickward, riegert, rikard, rocard, rookard, ruckert, rueckert, russert