Fitzer rhymes with:
amritsar, blitzer, critser, schmitzer, switzer, amritsar, bautzer, blitzer, butzer, conatser, critser, croitzer, fetzer, howitzer, katzer, meltzer, metzer, planitzer, pulitzer, schertzer, schmitzer, schwarzer, schweitzer, seltzer, setser, sweetser, switzer, waltzer, wintzer, wurlitzer, zeltzer