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.
sung suing song snag sunk sing snug sang snog sanga snaggy senega seeing sync sink zing sank snaky sneak sneck snick snook snuck sonic snake snack
bung hung lung pung rung wrung sung dung tung young