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.
idioms items itemise
idioms dimes teatimes daytimes stimes sodiums radomes mittimus times podiums dims domes doms dooms doums shittims chowtimes duomos daimios bottoms diatoms stomas sodoms retimes radiums mediums odiums tombs betimes bedims atoms toms tomes shahdoms tediums showtimes