What rhymes with inopportune

1 Syllable
boon, coon, croon, dune, goon, june, loon, moon, noon, prune, rune, soon, spoon, strewn, swoon, toon, tune
2 Syllables
attune, baboon, balloon, bassoon, buffoon, cartoon, cocoon, doubloon, dragoon, festoon, galloon, gombroon, gossoon, harpoon, jejune, lagoon, lampoon, maroon, monsoon, platoon, poltroon, pontoon, quadroon, raccoon, racoon, saloon, shalloon, simoon, spittoon, tycoon, typhoon, untune, walloon
3 Syllables
afternoon, demilune, honeymoon, importune, macaroon, octoroon, opportune, pantaloon, picaroon
4 Syllables
inopportune