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.
diets dits ditsy dites duits doits ditas duets deets duties todies diodes dittos didies didoes tidies daddies tits dowdies doodies ditties dawties teddies dauties ditz deities dots toadies tets toddies dawts teats doats datos dauts didos toits titis ditzy deeds dates deads dotes dudes tides dadoes dattos dodoes tedious titties duteous tatties tutties dads duds tads tats teds tods tots tuts
quiets diets its gites aides eddies sets hoodies kitties jetes nides ties cutties bitts bits pities meats coitus vets sits fets zitis footies quoits knits caddies soddies metes heats jetties gets fiats goodies bawdies ladies boites gaudies netts moieties hides leets fatties putties kites adieus fetas gaits middies mitis bawties patties nits rets quietus teddies gits titties writes tatties toits tides deities waits neddies cetes whets wets whities widdies riots wites woodies chides chitties dawties shits yetis waddies baits dowdies sides howdies suits litas titis poets baddies booties roadies pieties dites keets toddies suets ditsy pets bides doits cuddies duits nudies readies cities daddies foetus jets doodies butties neats ides eats laddies bites mites biddies cooties kits tets reties wadies duties newts bets betas fetes beauties guides catties laities chits wheats raitas fuddies gaieties haets hotties boodies buddies meets muddies foodies bitsy bodies dies kiddies zetas feats lits suites beats metis getas etas aits beets todies shoddies noddies fits rowdies cuties quits cites hets jutties ditas mitts beedies tidies whits wits paddies nites dits giddies peats lets tits fetus pits pietas hits zits setts whites seats potties rites writs sites situs nets duets tutties pitas sheets cheats dauties rides deets didies sties ditties teats toadies weets wides yetts
diet dieted dit duet dueted doit dittoed edit adit duit ditto ditty dite dita died deity deet doited duetted