Motoren rhymes with:
uterine, veteran, voltaren, aldebaran, amparan, anaren, andren, askren, bargeron, bundren, cameron, catherine, coldren, condren, corcoran, cothren, fondren, halloran, hefferan, hefferon, hendren, holdren, holleran, holloran, killoran, lutheran, mandarin, margarine, milliron, nitroglycerin, nitroglycerine, o'hallaron, o'halloran, o'halloron, ohalloran, operan, orgeron, pickren, saccharin, saharan, tamarin, tiberon, uterine, veteran, voltaren
Motoren sounds like:
madron, mandarin, mandarine, mandarino, matern, materna, mathern, matherne, matrimony, matron, mattern, mediterranean, medrano, midterm, minturn, mitrano, modern, moderne, mondrian, montrone, motrin, mottern, mottram