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.
slatey slate slaty solate slat salty silty solute salute slitty slutty sleety saltie ciliate salt sled slut slot slit silt soled zlote salad slued slide sleet zloty sault sloyd seeled sealed soloed souled sallet siloed soiled sailed sallied sellout sullied zeolite
slatey fellate foliate folate vallate floaty filiate flutey palliate realty plate ciliate palate malty slate malate slaty gallate dealate galatea dilate velate chelate gelate laity late paleate collate latte alate valuate bullate elate blate pileate relate platy eluate salty oleate fealty maleate solate lealty delate galeate toluate violate cholate