Howitzer rhymes with:
conatser, pulitzer, amritsar, bautzer, blitzer, butzer, conatser, critser, croitzer, fetzer, fitzer, katzer, meltzer, metzer, planitzer, pulitzer, schertzer, schmitzer, schwarzer, schweitzer, seltzer, setser, sweetser, switzer, waltzer, wintzer, wurlitzer, zeltzer
Howitzer sounds like:
hatcher, hatchery, headgear, hedger, hediger, heidecker, hetzer, hitchhiker, hudsucker