Koffman rhymes with:
cauffman, coffman, kauffman, kauffmann, kaufman, kaufmann, cauffman, coffman, gaufman, hoffman, hoffmann, kauffman, kauffmann, kaufman, kaufmann, roffman
Koffman sounds like:
kabbani, kaboom, kapaun, kasabian, kassebaum, kauffman, kauffmann, kaufman, kaufmann, kavan, kaveney, kayvon, keaveney, keaveny, kevan, keven, kevin, kievan, koeppen, koopman, koopmann, koppen, koven, kuban, kubena, kubin, kuvin, kvam, kvamme