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.
savouries savories savours saviours savors saviors savorous savers safaris suffaris severs sivers sofars spheres suffers zaffres
savouries furies ivories louvres savories
savour savoury savor savior saviour savory