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.
eviler eviller
filer eviler veiler caviler defiler viler reviler fouler devilry foolery lavaliere fueller volery befouler feeler fleer wofuller wafflier filler wifelier caviller leveler livelier muffler raveler revealer filar faller fuller baffler valuer flier feller vealier shoveller fowler shoveler fullery lavalliere biofouler rufflier reveller beveller rifler siffleur awfuller joyfuller beveler woefuller waffler vealer whiffler cavalier chevalier lavalier fueler leveller lovelier raffler raveller reveler riflery ruffler cavalero eviller riffler bifilar shuffler