Sweepstakes rhymes with:
homestake's, homestake's, outtakes, overtakes, undertakes, backaches, cupcakes, earthquake's, earthquakes, freshbake's, fruitcakes, handshakes, headaches, heartbreaks, homestake's, hotcakes, interlake's, keepsakes, namesakes, outbreaks, outtakes, overtakes, pancakes, rattlesnakes, snowflakes, undertakes
Sweepstakes sounds like:
scapegoats, spacesuits, speights, spigots, subject's, subjects, subjects', subsides, subsidies, subsidize, subsidizes, substitutes, suspect's, suspects, suspects', sweepstake