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.
beleap bleep blip bloop
beleap leap lap shlep bleep flap jalap julep clap clepe kelep pileup salep slap sleep dewlap palapa shlepp
bel bile obeli able abelia abele bole blew below bale belly bellow belle bell belie belay obelia