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.
babas babassu babes babus bubbas baboos babies bawbees baubees bobs bubs bibs boobs bibbs bubus buboes beebees bobbies boobies booboos boubous bubbies booboisie
babas abas bas abs bias jabs bays jubbahs bass cobias boas kabs base baas nabis mabes phobias obias sabes sobas subas subbass daubs diabase tabs tibias wabs bubbas nubias abase labs abys jubas babes cabs babus gabs fabs nabes abos nabs abbas obas habus ceibas sabs subahs subbase dabs debase tabes tabus tubas shibahs
baba babe baboo babu baby baubee bawbee baobab kabab