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.
eatery eater eider
battery pottery littery tottery buttery cautery eatery bootery chattery nitery guttery cattery watery jittery lottery mattery try fetter battier haughtier notary vetoer cuter litter cotter couter hotter hatter goutier coater tear meatier hauteur rootier eater mutter nettier cattier phatter betray otter goiter fitter looter meeter peatier derry datary jettier matier stray miter suiter mooter reutter hitter rudery rotary dietary deary liter bittier mater footer gater nutter totter votary stere seater dottier touter rattier daughter waiter gnattier wetter retear whetter whitier dotier pewter wittier tory cheater teeter shatter later shittier shouter shutter tooter titer loiter tater beater deter deray nuttier noter rotter writer nittier tattier knitter metier uteri jitter butter mitier sitter teary poetry ritter nattier tier powter putter doddery quoter pottier dieter oater retry puttier story knotter stroy voter tray router gaudery steer muter terry gaiter petter natter meteor knottier better meter rooter souter batter fatter cooter gutter fattier vetter matter bitter quieter biter cater neater letter troy neuter trey kiter hetero guttier pater pouter hooter jotter hater toter netter quitter heater powdery cutter poutier latter baiter ruttier titter lotter doter feater doughtier rioter patter niter getter rater peter hootier footier setter auteur outer sootier boater cottier utter redry whiter dater pettier potter tuatera zootier pitier water watter wheatear tauter citer tetter dotter whitter chatter chattier chitter tatter sheeter ratter shooter shuddery yatter