Here's what rhymes with perimortem.
mortem postpartum Words that almost rhyme with perimortem
marten martin margin boredom shorten carton tartan hearten smarten carbon fortune garden pardon warden harden sharpen cordon spartan stardom tarpon thraldom dishearten thralldom misfortune kindergarten foreshorten resharpen caseharden hydrocarbon radiocarbon fluorocarbon bottom forum dorsum sorghum nostrum foursome carom column solemn quantum decorum quorum bonum rostrum possum problem blossom balsam condom drachm wampum flotsam opossum slalom cockscomb falciparum metronome sugarplum gastronome microcosm macrocosm