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.
dagoes dagos dags daggas doggies digs dogs tags docs daks dugs doxie dykes degas tokes dawks takes decos docks dukes dikes dekes decks tacos decoys togues dekkos decays taigas toques degauss dickeys dickies duckies dex dioicous
goes dagoes chigoes chegoes gos baggies jaggies moggies geckoes vogues buggies fugues egos raggees buckoes bigos luggies goos muggees pekoes pokes raggies rogues rugose sagos segues zygose dagos aggies chokes shakoes togues reggaes mokes cokes gaes cooeys cooees ficoes goys veggies hokes gigues locoes okes goas leagues biggies logos piggies rugosa rugous segos sokes jokes agues doggies tokes gogos shackoes yokes