Cothren rhymes with:
catherine, lutheran, aldebaran, amparan, anaren, andren, askren, bargeron, bundren, cameron, catherine, coldren, condren, corcoran, fondren, halloran, hefferan, hefferon, hendren, holdren, holleran, holloran, killoran, lutheran, mandarin, margarine, milliron, motoren, nitroglycerin, nitroglycerine, o'hallaron, o'halloran, o'halloron, ohalloran, operan, orgeron, pickren, saccharin, saharan, tamarin, tiberon, uterine, veteran, voltaren
Cothren sounds like:
cadrone, castorena, caterino, catharine, catherina, catherine, catherman, catron, cauthorn, cawthorn, cawthorne, cdrom, cedrone, chadron, chesterman, cistern, citrano, citrin, citrine, citroen, citron, cothern, cothran, cothron, cotrone, cotroneo, cotterman, cutrona, cutrone, cutworm, cydrome