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.
charades chards charts chords shards charities shairds choroids chariots chorioids shrewdies cherts sherds shreds shrouds cheroots shorties shirts shorts
irades tirades parades charades grades corrades trades rads weirdoes birdies oreads hardies reads carates borates hurdies rates phorates aerates braids parados haeredes borides bredes bourrides brads bardes urates derides treads pirates gyrates hydrides dreads gourdes deaerates hayrides narrates breads crudes corrodes karates grads hordes readies grates redes crates broads frauds rodes ferrates farads byroads brides rides marauds curates merdes roads roadeos rereads irides raids prides burdies orates fordoes sarodes joyrides myriads berates roadies perdues heredes gradus cerates prudes prates derates dorados hydrates tardies erodes triads weirdies serrates grides
charade chaired chard chared chariot charity charred chart echard