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