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