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.
dudes duds duads duets diodes dodoes duties didies didoes dadoes daddies teddies dauties dowdies doodies dads duteous toddies dodos dotes didos dites deeds diets dados dates deads dauts tides deets dadas duits tidies tutees deduce todies toadies tedious ditties doodoos dawties deities tutties dits dots tads teds tets tods tuts
gudes leudes dudes nudes ludes dees codes ouds rides kudus bides duads boodies ladies fuds hides foodies cedes sades quids jutes judos doodies cutes does suedes cuds goddess eddies bodies bodes muddies soddies nides beedies puds roadeos lauds aedes neddies shades shutes chides wides rowdies wadies waddies udos paddies diodes guids tidies teddies mutes duds toddies rodes odes butes redes roadies dues hades caddies laddies suds kiddoes daddies battues noddies lodes jades sautes suets lutes quods dodoes middies muds sudds ides fuddies aides dadoes leuds howdies heydeys gaudies goodies didoes bedews geodes dies lades kudos gauds judas bawdies cades eddoes biddies cuddies videos deys geodesy ideas baddies bauds fades buddies buds kiddies didies giddies quads hoodies naiades guides readies nodes routes dowdies modes feuds mauds pedes woodies tides duets redoes rodeos rudds sides sudsy nudies dews chutes toadies todies utes wades widdies shoddies yauds
dude duded dud duad duddie duddy duet added dueted duetted