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.
frites frits ferities ferrites fruits fritts fortes verites forties frats frets forts fritz farts verities ferrates variates varieties fortis fordoes fretsaw veritas virtues ferrets phorates foredoes faradise faradize verts fords fards farads vertus frauds fiords virtus viroids faradays virtuosa virtuose virtuoso virtuous
writes curites verites ferrites yperites barites pyrites norites frites cowrites cerites rewrites rites sorites diorites reties purities curtesy garotes hearties readies raitas birdies grates writs fritts iritis curates brits rates fruits curettes reroutes caritas roadies marrieds brutes ferities nereides hurdies pirouettes variates proteas oreides bourrides parietes borates frits joyrides dirts crates cerates certes sorties syrettes priedieus lariats derates hydrates tardies tortes treaties ureides shorties charities worrits serrates quartes croutes grits rides berates forties irides routes corrodies peritus fortes parodies airts muriates pretties neuritis cartes griots girts hardies pirates grides parities burritos virtues proettes bruits borides heriots phorates rowdies britts quirts garrottes aretes garrotes creates narrates burdies verities barrettes riots varieties gyrates merits veritas rotes karates hayrides carates aerates oroides ferrates crowdies rottes ariettes courtesy burettes garottes kraits corodies barytes prides grottoes prates laureates orates proteus parties chariots derides shirts crits seriates brides sureties deaerates rarities droits dirties hydrides territs traits urates weirdies shrewdies
fritt frit fart ferity fort forte forty frat fret fretty fried fruit fruity afrit