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