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.
bistre bister bistro bestrew bistoury baster bestir buster bestrow boaster booster bustier besetter
bistre piastre lustre pester paster leister costar stare quaestor juster coster hoister nestor store gaster luster stere vesture booster stir faster moister vaster fester meister strew castor aster jester pastry daystar shyster wester sistra wastrie waister wrester tester taster roster diester zester muster questor posture star ouster austere rouster maestro roister satire rester ristra easter maestri keester wastry bister nester rostra baster roaster zoster bistro sister toaster gastrea duster coaster feaster jouster keyster suture boaster ester moisture heister pastor astir keister raster lustra pasture gesture mister master bestir kiester lister oyster laster foster vestry caster ossature bestrew chaster piaster buster quester poster restore rooster royster xyster diaster tessiture waster yester
bast baste best bestow biased biassed bust busty