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.
chuckies chucks chickees chokes shucks chocks chicks checks chigoes chukkas cheques shackoes chics chugs cheeks chicas chooks shakes shocks shacks chicos chegoes shackos shakoes shicksa shakos sheiks shiksa shikse shooks
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
chuck chucky check chick chickee chock chukka shuck