Screwball rhymes with:
arenaball, basketball, blackball, butterball, cannonball, eyeball, fastball, fireball, football, handball, hardball, meatball, mothball, oddball, pinball, powerball, racquetball, snowball, softball, spaceball, spitball, stickball, tidball, trackball, volleyball
Screwball sounds like:
scarpelli, scarpello, scarpulla, scrabble, scribble, scruple, servello, servile, sharpeville, sharpley, sharply, shrivel, sorbello, sorrowful, surveil, survivable, survival