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.
vichies fiches fitches vetches vouches fitchews vouchees fichus fishes fetches fashes
hoochies nitchies duchies vichies techies chis chews aches teaches lichees ouches chais chias bouchees vouches eches chess shies beeches maches cooches muches etches baches loaches mashies lyches mouches miches fiches fitchews riches witches watches touches reaches douches seiches cutches ruches rotches quiches reechoes leeches ketches hotches rachis lichis pitches pooches mutches patches itches beaches wyches coaches vouchees aitches botches mooches matches naches letches liches fitches hitches leaches quitches catches lychees hutches couches litchis latches hootches fetches echoes boches leches niches vetches nautches quaiches laches butches notches peaches hooches pouches poaches gouaches rechews ratches bitches roaches retches batches rouches wretches hatches ditches duchess taches pachisi caches tushies wiches chichis