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.
mainly manly meanly manually manila manual manilla manille moonily menially hymeneally hymnal menial hymenal hymeneal hymenial
vainly gainly inly mainly tinnily noily phonily sunnily sanely punily binal onlay manly wanly bonnily moonily henley final loonily leanly quinol tawnily keenly finely meanly cannily inlay zanily sonly rainily veinal only unlay nonoily tinily queenly lonely funnily vinyl lanely vinal shinily
main man imine amine amain minny mini minae mien meiny meinie meany meanie mean maun mawn many mano manna mania mane mana mina mine minnow moan amin amino imino