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.
etuis eats etas eidos eddies eds edhs
tuis etuis tis beauties patties moieties battues ties taus catties zitis quits lotus quids guids cutties cuties metis jetties tutties bawties cities chitties tutus pities potties reties riotous setous titties hiatus sties dawties ditties duties titis coitus betise booties satis patois putties poetise rotis retuse tuttis dauties meatus suits duits deities tits tatties fatties pieties footies mitis situs jutties fetus coatis foetus cooties vatus gaieties whities butties kitties hotties quietus laities cutis tuts yetis