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.
sanga sang senega snug sung song snog snag sing sank suing seeing snaggy sink sunk sync zing
anga manga tanga fanga sanga panga mango quango gang vang wrang fang conga dang pang tang baaing kiang chang linga tanka lang tonga whang bang donga tango senega rang liang fanega lingua nongay sang hang yang
sain sane sauna sawn sawney asana