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.
debars debris debruise dobras dobros dewberries dobbers dubbers dibbers dabbers daubers dauberies tabers tabors teaberries tubers tabours tubbers daubries tuberose tuberous
bars debars kbars kabars kebars rebars libras lubbers jibbers hybris lobbers cobras libbers hobbers bras bris cabers libers gabbers jabbers bibbers bros ribbers rubbers sabirs sabres sobers zebras nabbers jobbers cobbers bares hubris abris webers goobers jibers gibbers robbers gibers debris bears fibres boars dobbers gabbros mobbers bobbers tabers daubers labors dobros fibbers tubbers burs fibers sabers sabras sobbers subers dabbers cubers dibbers dobras dubbers tabors tubers yabbers