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.
cobbled gobbled cabled gabbled kibbled caballed quibbled cablet cobalt gabled goblet kobold gabelled cabaletta cabalette
bobbled kibbled dabbled rubbled nibbled wabbled gobbled gabbled babbled bubbled rabbled quibbled cobbled wobbled nobbled dibbled pebbled hobbled bled fabled gabled tabled baled labeled abled blued libeled mobled doubled cabled bleed