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.
saids sayyids sades sadis satis sides suds sits sods suits seeds stays sodas stoas sties seats sates sudds sites sudsy situs satays sautes suedes suites suttas zooids soddies sets sots zeds
aids maids caids qaids raids saids ads ids fades kadis guids vids padis cadis sadis adds mads gids daisy bides cades roads beads satis gadis bidis lids jades readds loids naiads coatis pads dads yauds shads chides woads whids wads wades tides tads didos dadas bawds gads sides kneads fads rides qadis hades bids lades lidos quids guides baits ados nides nidus heads rids naiades bauds reads aides kids lads nadas leads fados loads bads hides aits mauds goads midis geoids eidos quads dais sayyids fids gaits cads meads voids lauds rads mids sades fidos gauds zooids ides dados deads duads teiids toads wadis waits wides chads shades hyoids yids
said sad sade sadi sati side sidh acid acidy aside azide azido tsade tsadi