Collector rhymes with:
lecter, lector, reflector, schlechter, connecter, connector, decter, defector, derecktor, detector, director, ector, erector, fechter, hector, injector, inspector, lecter, lector, nectar, objector, prechter, projector, protector, rector, reflector, schechter, schecter, schlechter, sector, specter, spector, spectre, spektr, transtector, vector, waechter, wechter
Collector sounds like:
calcaterra, callister, celestory, cellstar, cloister, cluster, collister