Here's what rhymes with efference.
reference deference preference Words that almost rhyme with efference
reverence severance deferens irreverence endurance referents emirates generous temperance decorous effortless lecherous enervates federates treacherous terrorists shepherdess measurements tenderness intemperance degenerates electorates directorates measureless exorcists regenerates featherless ulcerous adventurous cleverness confederates expertness slenderness slumberous overgenerous splendorous apiarists togetherness cadaverous obstreperous protectorates expectorants inspectorates expectorates unadventurous