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.
hygienes genes gens gins genus genies genius genoas genoise jins johnnies ginzo janes jeans jinns johns joins jones jinnis
hygienes dienes koines lenes lines lianes mines peones nines renews zines dines tenues science tines denes whines seines winoes genes chaines guineas sheeneys kines scenes sinews benes bennes leones bines faience aeneus sines vines fines venues cines dueness tineas pines waeness penes wines nenes woeness miens chines liens shines ens ins