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.
rakish rikisha ricksha rikshaw roguish rickshaw
bookish hawkish gawkish buckish cockish mawkish peakish sickish weakish hickish puckish quackish peckish rakish skosh biggish haggish doggish roguish squish rikisha boggish piggish squishy hoggish ricksha jiggish cockshy puggish voguish aguish cuish waggish loggish woggish
raki rack rake rakee raku arak brake braky crake drake traik