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.
ideas ides ids iotas iodise iodize iodous its
ideas teas pedes diodes dads rowdies bodies noddies sides sades lodes daddies heydeys gateaus hoodies rodeos roadeos middays bedews heats codes fades goddess does keddahs kneads eats fuddies geodes maydays lades badass bides buddies toeas betas tease nudes wades codas tidies caddies odahs naiades readies wheats paydays whydahs redoes wides jades modes teddies chateaus todays chides didies shades soddies todies leads eddoes zetas hades howdahs dues fetas getas meats gudes odes beads redes aides kiddoes neddies dais baddies doodies dudes teats toadies dowdies goodies dahs kiddies nadas eddies videos geodesy feats meads daws bodes aedes dees biddies dews nudies ladies heydays ludes beedies pietas dodoes deads cedes boodies nodes sodas deys seats dadoes hides gaudies houdahs rodes roadies middies wadies cuddies codeias leudes dadas heads howdies dies foodies giddies medias etas guides beats redias days laddies nides ides bawdies paddies waddies judas suedes odas neats reads whidahs peats widdies rides cades woodies muddies tides cheats toddies chuddahs didoes shoddies