Hookup rhymes with:
backup, breakup, buttercup, checkup, eggcup, linkup, lockup, makeup, markup, pickup, shakeup, stalcup, stallcup, teacup, wakeup, walkup, wisecup
Hookup sounds like:
heckuva, hecuba, hiccup, hicfa, higbee, higbie, higby, highboy, housewife, huckaba, huckabay, huckabee, huckaby, huckeba, husby, huseby, hyssop