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