Here's what rhymes with oppossum.
possum blossom opossum Words that almost rhyme with oppossum
caution cation soften rosin libation precaution microcosm tryptophan herniation macrocosm calumniation bottom balsam dorsum bonum column solemn forum boredom foursome carom problem decorum mortem quorum condom sorghum drachm nostrum rostrum wampum flotsam stardom slalom cockscomb quantum metronome thraldom thralldom gastronome falciparum postpartum sugarplum