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.
loofa loofah loof loaf luffa lav lava lave leaf leva levo lief life love luff
loofa hoof coof goof goofy loof loofah ofay poof poofy roof sofa whoof woof
loo looey looie blooey blooie flooey flooie