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.
dubbers dobbers dabbers tubbers dibbers daubers tubers dauberies tuberous daubries tuberose tabers debris dobras debars dobros dewberries teaberries tabors tabours
bibbers dabbers dibbers lubbers libbers tubbers gabbers cobbers hobbers dubbers jabbers gibbers ribbers robbers lobbers dobbers sobbers mobbers jobbers yabbers fibbers nabbers rubbers jibbers bobbers sobers webers goobers biers bears sabers gibers cabers beers subers libers jibers cubers gabbros tabers fibers tubers daubers ribiers
dubber dabber dauber daubery dibber dobber tubber