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.
sheen sheeny sheeney sheenie shewn shun shin shoon shawn shine shone shown shiny shanny shinny shinney shanghai chin chon
wheen sheen hen keen sheeny been hyphen veena haen hewn peen seen teen teeny ween weeny when queen shewn
sheesh she shea sheugh shew shoe sheuch