Arkansas's rhymes with:
arkansas', arkansas', arkansas', arkansas', arkansas', arkansas', backsaws, arkansas', backsaws, cha-chas, grandma's, grandmas, kadrmas, laboratoires, omaha's, panama's, tovaz
Arkansas's sounds like:
aerogenosa, arcanum's, arceneaux, arching, arciniega, arguing, arising, arizona's, arizonans, arkansas, arkansas', arkin's, arousing, arrogance, arsenic, arsons, arzamas