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.
lanais lianas leans lawns lunas lanes lenis loans lianes lunies lauans llanos lanose loonies lionise lens lins leanness lunes lance lions linns lenes loins lense linos lines lenos loons liens launce leones linsey lunacy lioness lionize looneys lowness
lanais unais pinnas tenuis tunas lenis donnas genies faenas zinnias veenas sunnahs quinoas guineas anoas lunas nonas hinnies minnies kinas lionise guanase monies faunas boonies banzai gnaws anise jinnis cains bunnies bonaci bennis heinies sains genoas beanies shinnies hyenas shannies chinas peonies wienies whenas wains tawnies saunas tennies taenias denies xenias snaws kanas ponies toonies kains nans pains meanies funnies manias sennas rennase rains pennies nanas minas bennies mains conies goannas lianas mynas jennies phonies gains tineas lunies gunnies hennas pinnies johnnies anis kinase ains bunas cannas nazi sunnas goonies anas guanays loonies mynahs hyponeas sanies naos munis genius duennas monas fannies finis annas bonsai ionise vinas nisi meinies pinas punas mannas nays manas sonnies scenas danios siennas ranis pennis nannies minis ennuis ninnies tenias weenies sheenies hyaenas shanghais chains ruanas whinnies unaus donas penis zanies tunnies townies tennis tains yonis
lanai liana ulna plane clan lane lauan lawn lawny lean lain llano liane loan luna alan alane elan flan plan ulan ulnae