Cleanups rhymes with:
grownups, lineups, runups, backups, buildups, buttercups, checkups, coverups, eggcups, grownups, hangups, holdups, hookups, lineups, linkups, markups, pickups, push-ups, pushups, runups, setups, shakeups, startups
Cleanups sounds like:
clamps, climbs, clumps, colombia's, colombo's, columbia's, columbus, columbus', columbus's