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.
kiddush kiddish kaddish caddish cattish goatish goodish
kiddush faddish caddish kaddish kiddish laddish maddish oddish reddish
kiddie kiddo kiddy skiddoo skiddy kid