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.
boletus boletes bolts blets bleats bluets billets bullets ballets bolides bolds blats belts blots blades blites bleeds bloats baldies blights belauds ballots balatas bailouts beladies bloodies ballades ballutes balds blighties blitz bields bloods builds ballads
boletus lets billets ballets lotus leuds leets valets bleats halitus callets collets galletas cullets quillets millets mullets palets pellets pleats relets sallets deletes toilets willets gleets blets bluets gullets bullets filets fillets flatus fleets violets boletes howlets cleats culets gallets cultus mallets muletas owlets pallets piolets pullets rillets sleets teledus wallets chalets
bolete boleti blet bolt bleat bluet boiled bolled bowled