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