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.
plucker pluckier plaguer plugger palikar playgoer
plucker flicker sulker slacker licker clocker clicker clacker caulker flukier flockier flickery flackery lacker blockier blocker blacker luckier locker colickier pluckier slicker shlockier