Crooner rhymes with:
krouner, bruner, gruner, krouner, pruner, bruner, buehner, cooner, dooner, gruner, krouner, kuhner, lunar, neuner, pruner, schooner, sooner, spooner, tuner
Crooner sounds like:
carmer, carneiro, carner, charmer, chronar, cormier, corner, coronary, coroner, cournoyer, cramer, crammer, craner, cranmer, cranmore, cranor, crawmer, creamer, creamery, creamier, cremer, criner, cromer, cronauer, croner, crowner