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