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.
dadoing dating doting duding deeding dotting doating tedding dauting dawting dittoing tattooing tiding toting dieting dueting tatting tauting toiting tooting totting touting diatonic duetting tutting
doing dadoing redoing ding dong photoing hoodooing madding readding budding niding redding gadding heading godding autoing dingo heeding hiding jading hooding aiding looting voiding feeding kneading adding pudding codding mooting tedding shedding chiding dittoing whidding wedding sooting wadding tooting ceding rodeoing coding duding donga needing boding siding auding padding lauding podding ridding rioting kidding voting noting quadding nodding riding lading loiding rooting quoting rodding voodooing hading ghettoing hooting coting radding fading mudding goading guiding lidding beading reding footing radioing toeing sodding bidding leading raiding booting biding reading loading feuding bedding vetoing reeding seeding sueding deeding doting tattooing tiding toting wading weeding wooding shading shooting