Fred's rhymes with:
breads, dreads, purebreds, reds, reds', retreads, shreds, spreads, thoroughbreds, threads, treads
Fred's sounds like:
faraday's, favorites, ferdig, ferrets, fertig, fibroids, foertsch, ford's, fordice, fords, fordyce, foreheads, fortas, fortas's, fortes, forties, fortis, forts, fortuitous, forty's, forwards, fourth's, fourths, frates, fratus, fratzke, frauds, freddy's, freed's, freidy's, freitag, freitas, frets, fretz, freud's, freytag, friday's, fridays, fridge, fridges, fritch, fritos, frits, fritsch, fritsche, fritts, fritz, fritze, fritzi, fritzie, fritzsche, froedge, froths, fruitcake, fruitcakes, fruits, frutchey, furtak, furtick