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.
litchi lichi lich laich latch letch lichee lochia lych lech loch leach leech loach leachy louche lychee
litchi chi chai botch bitchy bitch batch aitch quitch chia hitch hootch hutch itchy gotcha catchy match natch nitchie patch pitch ratch rotch wretch ditch tach techie watch witchy botchy fetch butch lochia fitchy vetch hatch hoochie hotch itch fitch catch cutch ketch latch lichi letch etch mutch nautch notch patchy pitchy retch rotche datcha dutch tech tetchy witch chichi