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.
dodos dodoes doodoos didos dados diodes dowdies doodies tods dads duds dots toots dudes dadas deads doits doats duads deeds datos dotes dattos didoes todies tootsy dittos didies dadoes todays daddies tattoos teddies tedious toddies duteous tootsie dits tads teds tots
dodos ods dos gods loads voids roods boots hods feods bodes dose eidos codas bods eddoes tattoos gowds udos coots foods lotos nods photos fados modes kotos quods radios yodhs shoots woads tods doodoos kiddos rotos dodoes oots didos dados odas zooids sods woodsy videos iodous nodose roads rodes cods redos modus pods geoids moots odes goads goods foots lodes hoods coeds loots duos does rods mods moods lidos diodes ouds nodous geodes koodoos hoodoos meadows kudos kiddoes voodoos vadose nodus hoots nodes vodous doss redoes odds roadeos audios fidos ados poods roots rodeos soots adios didoes dadoes dows dots judos toads toots sodas widows woods codes shadows hyoids loids yods
dodo diode doodoo doody dowdy doodad