Arkansas rhymes with:
backsaw, backsaw, baja, bhiksha, bluelaw, brauhau, chihuahua, chippewa, chutzpah, coleslaw, dada, denwa, duchossois, gadbois, gondwana, grandpa, hoopla, kershaw, livernois, mardi-gras, narasimha, omaha, ottawa, panama, philyaw, quebecois, quebecoise, rorschach, yamaha, zsa-zsa, zsazsa
Arkansas sounds like:
aerogenosa, arcanum's, arceneaux, arching, arciniega, arguing, arising, arizona's, arizonans, arkansas', arkansas's, arkin's, arousing, arrogance, arsenic, arsons, arzamas