Hookups rhymes with:
backups, buttercups, checkups, eggcups, linkups, markups, pickups, shakeups, backups, buildups, buttercups, checkups, cleanups, coverups, eggcups, grownups, hangups, holdups, lineups, linkups, markups, pickups, push-ups, pushups, runups, setups, shakeups, startups
Hookups sounds like:
hagfish, hiccups, hospice, hospice's, hospices, housewives