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.
tikis tikes ticks tikkas tekkies tics dickies takas takes tokes tacks dikes dicks tykes teaks tucks taigas tokays duckies dickeys dioicous daks digs tags taxi tegs togs tugs
pikis tikis kis chicks sheikhs luckies hookies hicks picks licks quickies kicks cookies haikus kaiaks pikes hikes hickies yikes mikes hoicks nookies pokies ricks wricks sickies sikas skies zaikais dicks duckies ticks hawkies shiksa paiks bookies gawkies tikes pikas likes quicks kikes kois jackies kakis micks bekiss kiss bikes hackies haiks bikies nicks rakis rookies sakis sicks sikes skis dickies dikes tekkies wicks chuckies sheiks shikse yoicks