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.
climb clime clomb claim clam calm kalimba coulomb glim culm kilim glime kelim glioma cleome calami kalium clammy coelom coelome gallium glam glom glum
limb climb allium baalim blimy folium helium ilium limo glim coulomb kalimba kelim milium pallium cilium slime delime clime limy lime clomb limbo limbi limba lima claim lamb limby gallium glime kalium kilim millime plumb slim slimy telium