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.
guider gaudery goutier guttier gaudier gadder gaiter kidder guitar goiter gutter quieter guttery quitter cuter gater coder kiter cutter gaydar goitre codder couter quoter cattier cautery cottier quittor
aider hider rider guider chider eider wider voider raider cider bider faddier bawdier doughier baiter heder hoodier kidder leader puttier gaudier goiter pottier widder jettier niter powder battier waiter ceder gaiter leadier moodier loiter deer kiter muddier meatier mitier rootier needier weeder ridder adder cottier powdery gaudery bittier zootier sootier seeder wadder dowdier whiter deedier chattier wittier nodder tedder chudder doddery shadier shittier shudder ruder dottier fodder madder liter peatier dere padder lidar haughtier citer codder sadder beader headier readier heeder ruttier rattier titer coder dear ruddier cheder nettier nuttier gnattier lader cattier judder biter beadier rudder doughtier header miter pettier pitier matier odder lieder redear budder nattier tier loader giddier goutier metier gadder hootier ladder badder lewder bidder kneader lauder rudery knottier reader louder fattier needer fader mudder nittier bedder feeder udder footier rowdier weedier poutier reedier guttier nuder redder tattier tidier deader doer dodder whitier cyder dotier seedier wader wedder writer woodier chowder seder shader suiter shedder shoddier shuddery
guid guide gaud gaudy gude quid