Grandpa rhymes with:
chutzpah, arkansas, backsaw, baja, bhiksha, bluelaw, brauhau, chihuahua, chippewa, chutzpah, coleslaw, dada, denwa, duchossois, gadbois, gondwana, hoopla, kershaw, livernois, mardi-gras, narasimha, omaha, ottawa, panama, philyaw, quebecois, quebecoise, rorschach, yamaha, zsa-zsa, zsazsa