Coauthor rhymes with:
altherr, arthur, auther, author, ether, gaither, guenther, gunther, luther, macarthur, mahathir, mathur, mcarthur, panther, port-arthur, rother, ruether, ruther, sathre, uther, walther, winterthur, winther
Coauthor sounds like:
cacciatore, cadre, caster, castor, castoro, castro, cater, caterer, cather, catheter, cedar, ceder, cestaro, cetera, chatter, chaudhry, cheater, cheddar, chester, chichester, chitra, chitrao, chitter, chodorow, chowder, chowdhury, cider, citro, coaster, coder, coderre, cooter, costar, costeira, coster, costra, coterie, cotter, cottier, couture, couturier, cowdery, cowdrey, cuadra, custer, cuter, cutrer, cutter, cytherea