Words That Rhyme With "Behaviour" :
2 syllables:
aver, braver, caver, claver, craver, favor, favour, flavor, flavour, graver, graveyard, havior, laver, paver, pavior, quaver, raver, saver, savior, saviour, savor, savour, shaver, slaver, staver, waiver, waver, Xavier
3 syllables:
behavior, disfavor, disfavour, engraver