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.
coalition collation collision collusion
volition coalition dilution deletion dealation solation relation palliation collision gelation illation halation volution violation vallation foliation filiation fellation elution elision elation alation lotion collation lallation pollution ciliation solution delation dilation chelation