I've taken a list of English words, and examined each of them to see what they sound like (using the PHP metaphone function). This page lists the most common metaphone codes, along with their words. You can also search for a word of your own, and see which words sound similar - and which ones rhyme, and which ones alliterate.
whips whipsaw whaps whops whups wipes whaups wheeps whoops waps wops whoopees whoopies weeps woops weepies
hips whips ships chips yipes hyps whaps tips dipso sipes mips ripes pips pipes nips nipas wipes zips tipsy quips kips chaps shops quipus gipsy chops whops tipis whups gips lips dips sips rips haps hops yips
whip whippy whap whop whup wipe swipe