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.
lawmen lawman laymen limen lumen lamina layman lomein laminae limn leman lemon liman lemony
cowmen bowmen showmen lawmen men foemen noumena vimen omen cowman limen seamen lawman bemean daimen tamein showman baymen yamen amen lomein rumen cymene ramen menu nomen meno numen mean hymen lumen women laymen semen mien demean bowman yeomen
lam loam slam clammy flamy flambee flambe flam blame blam alamo loamy llama lama lamiae lamia lame lamby lambie lamb flambeau flame clam glam ulama