Racquetball rhymes with:
basketball, basketball, basketball, fastball, football, meatball, softball, spitball, arenaball, basketball, blackball, butterball, cannonball, eyeball, fastball, fireball, football, handball, hardball, meatball, mothball, oddball, pinball, powerball, screwball, snowball, softball, spaceball, spitball, stickball, tidball, trackball, volleyball
Racquetball sounds like:
resettable, restful, rightful, rightfully