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.
satis seats sadis sates saids sties satays sautes sots sits sayyids sets sodas stoas suits situs suets stows stews stays setts sites sides zitis stoss soots sades suites suttas setous cities setose settees soddies suttees sods suds
coatis satis tis hotties beauties oats gaieties qaids kitties putties jetties mauts baits pieties fates hates bates mats booties cadis chitties titties duties betise tauts datos batts katas gadis dawts seats vatus goats feats fatso coats waits laities shoats chats rats tuttis titis tats ditties dauts zitis watts poetise sates sadis patties rotis reties pats ghauts heats rates bawties gates catties maids meatus eats wheats butties pates cutties nates cuties mitis moieties cates footies bats gats tuis padis cutis meats gaits vats moats aids jatos ates kats mates caids metis dais potties cities hiatus qadis cats pities haets etuis ghats beauts ties bahts fats fiats hats fatties jutties patsy lats kadis matts dates neats saids peats daisy patois teats qats reatas aits raids ratos cooties gnats dawties boats doats sties cheats whats wats dauties wadis tits tutties whities deities beats tatties tates riatas shiatsu yetis
sati sat sadi said satay sate saute seat