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.
caritas cardias crits carts carats cartes carets carates carrots curites karts grits cards cowrites corridas curtsy cruets kurtas cairds karats griots crates quarts courts kraits curets quartes curtesy garrets curtsey curates garotes creates karates croutes quartos curettes corodies queridas crowdies garrotes garottes courtesy curds courteous cords corrodies grots creds grids garrottes cruds grates credos crowds greats krauts creeds grouts greets groats grides gratis crudes guards quartz korats quirts grottos
veritas caritas burritos erratas ferrites frits fruits verites bruits iritis cardias brits giardias griots crits kraits queridas merits neuritis peritus yperites cerites diorites territs traits worrits corridas britts raitas curites aortas riatas writs writes rotas rites heriots riots frites fritts barites cowrites barytas grits kurtas lariats myriads norites pyrites rewrites sorites droits tortas triads chariots
crit cart carat carate cardia cardiae cardio caret caried carried carte curite acarid ecarte scart