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.
crinoid coronoid crunode crinite grind corned craned cornuto coranto grained groined cairned crowned crooned grinned crannied carinate careened couranto carronade grand ground kirned cornet kerned carnet greened groaned crenate current grenade coronet cornute currant courant grandee crownet
crinoid coronoid paranoid pyranoid pyrenoid serranoid