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.
citral sutural sidereal suturally sterol streel stroll sudoral
mitral retral citral neutral peytral trail tirl dural drawl litoral patrol federal petrel butyral notarial drail ruderal material sidereal sutural tetryl petrale nadiral futural guttural petrol lateral literal littoral trial natural trawl retrial derail nitril poitrel atrial peytrel bedrail sudoral dottrel tutorial