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.
dustier duster diaster diester tastier testier toastier taster tester daystar decider destroy toaster dissuader
bustier vastier chestier gustier feistier testier mistier lustier wristier ghostier mustier nastier yeastier zestier dustier fustier rustier hastier pestier toastier tastier pastier stir resider gaster coaster meister fester faster master coster laster vaster paster juster astir piaster masseter aster steer roister bister xyster rouster ester toaster kiester wester wastery waister tester taster diaster mastery wrester austere buster luster visiter raster stair stere rester quester zootier zoster ouster keyster nester mystery pester heister roaster jouster zester sister easter caster royster keester keister boaster lister leister poster duster moister diester booster hoister feaster missteer jester foster roster bestir muster rooster baster mister oyster sootier waster wastrie chaster shyster yester