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.
sobas sobs subas subahs sabs sibs soubise subbase subbass subs sabes sibbs ceibas subsea syboes
sobas obas bas hobos cobias knobs nubias boas bias bays base bass baas kobos lobes gobos obes obis robs lobs kobs subahs subbase debase tibias shibahs jobs jubbahs fobs jubas diabase sobs subas bobs gobs boobs cobs cobbs hobs phobias subbass abase tubas bubbas babas lobos nobs mobs abbas abas obias robes ceibas yobs