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.
laymen lawmen layman limen lumen lamina lawman lomein laminae limn leman lemon liman
baymen hymen laymen men foemen lomein bayman nomen vimen numen cayman layman amen cymene bemean semen demean women yamen ramen cowmen bowmen rumen mien lumen menu noumena meno omen mean hymn limen seamen lawmen daimen tamein showmen 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