Words That Rhyme With "Rumour" :
2 syllables:
amor, beamer, bloomer, bomber, boomer, bummer, chimer, claimer, clamor, clamour, climber, comber, comer, cooner, cummer, damar, damer, dammar, dammer, deemer, dimer, dimmer, domer, dumber, Eimer, emmer, femur, flamer, foulmart, foumart, gamer, gammer, gemmer, glamor, glamour, glimmer, gloomier, glummer, gomer, groomer, Hamer, hammer, Hamor, hemmer, homer, hummer, humor, humour, hymner, jammer, kimmer, lamer, leamer, lemmer, lemur, limmer, loomer, lunar, maimer, mammer, mimer, mummer, namer, nimmer, Omar, omer, plumber, plumer, plummer, pommer, roomer, Rumer, rumor, Samar, scammer, schemer, schooner, seemer, shammer, shimmer, simmer, skimmer, slammer, slimmer, somer, Sommer, sooner, spammer, spooner, stammer, steamer, stemmer, stumer, sumer, summar, summer, swimmer, Tamar, tamer, teamer, thumber, timer, timmer, Timur, tumor, tumour, tuner, vomer, Weimar, yammer, Zimmer
3 syllables:
aglimmer, almemar, blasphemer, cislunar, condemner, consumer, costumier, defamer, disclaimer, embalmer, enamor, enamour, harpooner, lacunar, lampooner, midsummer, misnomer, perfumer, reclaimer, redeemer, sarcoma, sublunar, translunar