Here's what rhymes with lacune.
loon rune croon soon moon noon tune boon hewn shewn doin dune foon aucune coon prune goon shoon immune balloon spoon cartoon lagoon saloon strewn cocoon toluene maroon raccoon swoon attune lampoon patroon racoon monsoon platoon forenoon opportune baboon buffoon harpoon pontoon typhoon bassoon dragoon impugn tycoon jejune doubloon picayune macaroon festoon spittoon poltroon bestrewn afternoon honeymoon inopportune importune protozoon tablespoon spermatozoon dessertspoon trinitrotoluene Words that almost rhyme with lacune
room gloom groom loom rheum legroom whom boom tomb bloom doom womb broom plume zoom fume flume abloom assume resume perfume suum boxroom costume consume presume exhume elbowroom entomb strongroom foredoom residuum subsume