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.
nebuly nebula nebule nebulae nobly nubbly knobbly nobbily
nebuly buhl chubbily wabbly tabuli suably pebbly nobly bull bully ably babul bubbly feebly fibula viably hubbly lobule knobbly nebula nebule nobbily nubbly rubbly doubly tubule wobbly shabbily