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.
deontic downtick dunitic tonetic
biontic deontic ontic dunitic lentic mantic lunatic antic antick enatic fanatic hypnotic noetic venatic phenetic kenotic kinetic quantic quintic phonetic zoonotic genetic mannitic downtick cantic tonetic
dent denote donate donut detonate