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