Duffner rhymes with:
dufner, dufner, kuffner, ruffner, dufner, geffner, haeffner, haefner, haffner, hafner, heafner, heefner, heffner, hefner, heifner, hoeffner, hoepfner, hoffner, kleffner, kuffner, laughner, offner, pfiffner, reffner, ruffner, schaffner, schiffner, shaffner, shoffner, shofner
Duffner sounds like:
debonair, depner, dobmeier, dufner