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.
scaler scalier scalar sclera sculler suckler scowler sclerae scalare squaller squealer sicklier scullery cycler squallier cyclery secular squalor
coaler squealer scaler regaler recoiler wagglier culler tackler clear giggler niggler coalier buckler collier cooler likelier coiler fickler cackler scowler chuckler wiggler bugler recaller juggler galere wrigglier cyclery knuckler gogglier kegler sclera sculler sicklier squallier caller jigglier toggler killer boggler weaklier squaller tickler squalor gallery nuclear scullery goggler jugglery hacklier haggler hackler beguiler queller scalier uglier nigglier scalar cycler wriggler higgler ogler gigglier joggler wigglier knucklier mickler heckler gaoler gluer suckler shackler