Overt rhymes with:
avert, boisvert, divert, evert, invert, revert, subvert, vert, alert, assert, avert, bert, berte, birt, blurt, boisvert, burt, burtt, chert, curt, dessert, dilbert, dirt, disconcert, divert, erte, evert, exert, flirt, gert, girt, herdt, hert, hirt, hurt, hurtt, inert, insert, invert, kirt, kuhrt, kurt, mcgirt, mcguirt, mcwhirt, peart, pert, purt, reassert, revert, schwerdt, shirt, skirt, spurt, squirt, subvert, thibert, unhurt, vanwert, vert, wert, wirt
Overt sounds like:
obert, offered, offord, operate, operated, operetta, overate, overdid, overdo, overdue, overeat, overhead, overheard, overheat, overheated, overrate, overrated, override, overrode, overwrite, overwrote