Aretha rhymes with:
aletha, agatha, aletha, anantha, atha, bartha, bertha, bolitho, botha, calantha, cleantha, cliantha, diantha, eartha, hertha, hiawatha, hyacintha, iantha, inkatha, jacintha, juditha, katha, letha, martha, mccartha, mintha, murtha, naphtha, philantha, ramtha, samantha, tabitha, tregurtha
Aretha sounds like:
aarti, ahart, aird, aired, airhart, airhead, airworthy, aorta, ararat, arata, ard, arda, ardath, ardith, ardito, arehart, areta, aretta, arid, arida, arrayed, arrieta, arriortua, arrowhead, arrowood, arrowroot, arruda, art, arth, artie, arty, arwood, award, awarded