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.
wring ring ruing wrang wrong wrung rang rink rung reink renig wryneck rank
ring wring going lingo wrang kneeing hoeing hypoing jeeing miaouing geeing gieing cooing jingo pieing kiang ling ping queuing haeing king ruing cuing wrong seeing suing dieing dingo teeing ting wyting wooing shooing pooing cooeeing wyling rang pingo being looing bingo hyping meouing mooing peeing booing feuing feeing cueing boing piing linga liang zing shoeing wing toeing tieing doing ding sing rink wrung hieing baaing gaeing rung queueing hying
rin rain rainy rein ruin wren brin brine briny grin trine urine warn worn