Kuffner rhymes with:
duffner, dufner, ruffner, duffner, dufner, geffner, haeffner, haefner, haffner, hafner, heafner, heefner, heffner, hefner, heifner, hoeffner, hoepfner, hoffner, kleffner, laughner, offner, pfiffner, reffner, ruffner, schaffner, schiffner, shaffner, shoffner, shofner