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