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.
dickies dickeys duckies dikes dicks dykes dekes docks ticks tikes dukes decks ducks tikis tekkies doggies digs tics daks docs dioicous decos tucks dexie doxie degas dawks tacks tokes takes tykes dagoes decays decoys dekkos tikkas degauss
hackies duckies luckies chuckies sickies dickies hickies jackies quickies kikes hackees geckoes bikies mickeys dickeys lackeys cukes rookies jockeys tekkies pokies wackes gawkies chickees buckoes cokes skies hookies sickees cookies rickeys nookies hockeys bookies hickeys ackees cakes hawkies shackoes kis
dickie dick dickey dicky duckie