Copperman rhymes with:
opperman, oppermann, fesperman, hooperman, kipperman, kuperman, newspapermen, opperman, oppermann, pepperman, superman, tepperman, upperman, vipperman
Copperman sounds like:
cabrini, capernaum, capron, cavern, chaperone, chevron, chiapparone, cipriani, cipriano, cobern, cobrin, coburn, cockburn, coeburn, cogburn, cooperman, cyprian