Here's what rhymes with semilunate.
unit Words that almost rhyme with semilunate
tuneup humid plumage tumid rudest soonest loosest rootlet lewdest sunhat prudent mutant fluent newest coolant crudest diluent fewest souvent truant coolest bluest intuit shrewdest cruelest duellist hugest nudest movement student tumult adjuvant imprudent impudent pollutant cartoonist smoothest annuitant oculist bassoonist gruesomest improvement amusement pursuant inducement confluent mouvement disputant insouciant canoeist obtusest recruitment translucent entombment quadruplet profusest