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.
lawns loans leans lanes lianes lanais lianas lauans llanos lanose lens lins lowness leanness lunes lance linns lions liens loins linos lenis lines lenes lenos loons lense lunas launce leones linsey lunies lioness lionise looneys loonies
awns yawns pawns dawns fawns lawns peans snaws owns ansa pans bans cains vans fans paeans nans panes manus cans janes nanas vanes pains sanes fanos kanes sains beanos yeans chains wins weans wanes towns tans downs manse pians pansy koans mans guanos hansa gains naans anus kains knowns ruanas llanos lanes ranis canes gowns means kaons ains fauns tains banes gnaws banns guans dans anes fanes anis beans jeans lianas manes kanas rains lauans pianos mains manos roans manas anas hanse lianes wyns leans wons moans deans loans tansy wains queans wans wens sans canso yuans
lawn lawny plane clan lain lanai lane lean liana liane llano loan lown alan alane blawn elan flan plan ulan