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.
meinies meanies minnies minis mines monies menisci mince munis mains manes menus minus miens means minas mensa mense meanness hymens mensae menace manias minnows muns mons mans monos moans manas monas moons hymns manus manos muons mincy mynas mannas moneys mynahs
heinies meinies minis fines koines gunnies goonies jennies funnies johnnies genies hinnies vines phonies finis beanies monies sonnies nines zines shines chaines pines ponies sanies sines wines shannies pennies dines tines townies weenies whinnies tennies fannies bunnies tineas bines bennies jinnis conies guineas kines boonies loonies lianes meanies lines lunies mines minnies nannies ninnies zanies sheenies wienies whines tunnies toonies tawnies peonies winoes denies sinews seines cines pinnies chines shinnies ins