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.
reseed reseda reused rosed reset resid resod rased reissued reseat recede resaid roosed resite reside razeed raised roused residue residua roseate rosette rest razed riced raced resit roset resat reest wrest razzed recite russet wriest russety
seed hayseed reseed viseed paused moussed housed gussied busied loused bussed rased feased leased pieced guessed cheesed mussed wised mestee gassed tawsed hoised nosed sussed poised noised roosed reissued tossed chowsed chased used testee doused disced seised roused bowsed bossed heezed cased gessoed lased dosed cessed pseud cosied massed bused boused fussed fessed feezed listee eased raised fused chassed guised mustee soused based vestee dowsed goosed hosed wheezed physed caused biased moused issued pissed biassed ceased jessed vised hissed dissed peised cussed reused kissed tissued posed phased mused missed sued messed passed liaised mossed noosed visaed loosed lysed choused razeed reseda lassoed seedy rosed sassed daisied dossed teased toused wissed yessed
resee resew reseau res roes breezy rose freeze rues creese ares cressy brees reuse rise presa press dress trees tress ores grees resow arse resaw breeze reissue frees reis ires resay rase cress rees ruse prees prese drees dressy tres tressy