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.
bleats blats blets bluets bloats billets boletes bullets boletus balatas ballets bolts blots belts bleeds blades blites bolides ballads baldies ballots blights belauds ballades bailouts ballutes bloodies beladies balds blitz bolds blighties bields bloods builds bulldoze
bleats cleats pleats kelts alates collets leets valets elates gelatos gallets halts gloats fleets gelates pellets violates oleates leads eluates muletas lats pallets boletus filiates fellates piolets folates howlets felts chelates slates willets wallets sallets toilets delts relets deleads dealates sleets plats gallates palates malates plateaus celts melts pullets coleads pleads cullets flats callets alts mallets maleates ballets valuates platys rillets malts bullets solates elodeas salts toluates palets deletes blets collates gelts bloats bluets plates billets gelatis mullets quillets foliates violets chalets gullets belts culets lets boletes gleets filets galletas millets fillets flatus blats floats palliates welts galateas pelts plaits balatas owlets relates ciliates slats delates dilates cholates
bleat balata abled ablate baled belady belaud blade blat blate bled bleed blet bloat blued bluet bolete boleti ablaut oblate