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.
fiats fats fits fatso feats fates fatuous fets vats fatties fads fids vatus fados fetes foots fades fidos fetas ghats fetus ghauts footsy fyttes foetus footsie footies foodies fuddies vitesse fouettes feds fuds futz vets vids
fiats its ates hats meatus pitas batts bats gats beats lits beauts baits kites bahts aits mitts cates lats haets nits coatis fates ratos fatso mauts pates bates ghats mats vats gits codeias katas sates mites reatas shits tauts zitis titis toits dauts wats tates whats whites wites ditsy chats chits diets qats riatas sits seats patsy suites neats dates quits naiads writs gnats raitas dites gaits doits rites bites bitsy writes coitus jatos bits matts hits feats pats meats hates rats vatus coats oats hiatus litas cats moats boats bitts medias pits eats fats boites goats mates heats fits kits ghauts gites kats mitis satis quiets situs sites peats suits nites datos riots quoits cites knits rates dits gates duits nates ditas redias shiatsu cheats doats wits whits wheats tats watts dawts waits tits zits teats shoats
fiat fat fit fate fatty feat fifty