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.
fesse fess fosse fease fes fossae fees foes fehs fuse fuss feus foss feeze fusee fuzee feaze fussy fossa fas fez fyce vise vies vees vase fice fuze foys faze fays face voes
fesse jesse ess loess fosse lassie mess poussie peise passee ness mousse fess fossae fease less resee reuse cease seise tasse tease tusseh cheese ease issei issue lease tissue cess dassie resew wrasse gesso gneiss reissue posse tassie pease chasse geese passe guess gussie messy cuisse masse jess lessee chess