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.
tori torii tor tory tora trio toro tour tore torr terai torah yttria tar dor try door tyro tahr dorr troy tree tear tare dore tier trey dory doer trow tray tyre dour taro tiro tire true doura dowry tarre tarry teary terra terry