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