Here's what rhymes with comnum.
Words that almost rhyme with comnum
conman column autumn awesome condom bonum wampum carom bottom solemn quantum forum boredom mortem quorum balsam dorsum sorghum possum foursome cockscomb problem blossom decorum drachm nostrum rostrum flotsam opossum stardom thraldom slalom thralldom metronome gastronome sugarplum microcosm postpartum macrocosm falciparum