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.
wienies weenies wines whinnies winoes whines wins wens woeness waeness wanes whins winos wains whens weans weens wheens weensy whence whenas wanness winnows wans wons wince winze wincey
genies wienies weenies denies sheenies tenues lenes nannies nines meinies pennies phonies peones heinies venues pinnies pennis boonies funnies shannies gunnies tunnies nenes conies hinnies toonies benes tawnies dueness renews genes loonies zanies tennies beanies genius scenes sonnies ninnies bennies aeneus denes bunnies penes penis hygienes minnies johnnies bennis lenis lunies dienes townies ponies sheeneys leones peonies whinnies tenuis tennis tenias taenias goonies jennies meanies xenias seines fannies sanies bennes waeness woeness monies shinnies ens