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.
naiads naiades nadas nides nidus kneads nods nits knits gnats nodus neats nates needs nodes nudes nites wynds nodose nodous nudies neddies noddies
naiads ids ads padis raids naiades fiats lidos gauds ados bads loids geoids fids guides voids aids jades nides kneads hides meads heads bauds maids ides bidis midis gadis lauds teiids yauds shads didos chides woads dads whids wadis sides toads duads quads pitas redias qadis lades readds dadas litas saids cadis rids sades kadis aides caids shades goads raitas zooids bids sadis tads guids deads wides bawds wades cads lids vids codeias eidos leads fads loads gids lads fades beads rides bides quids mads hades gads nadas mids medias mauds fados cades adds fidos pads qaids hyoids kids nidus rads reads roads sayyids dados ditas tides wads chads yids