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.
beside beastie beset busied biocide basidia best beast besot based bused bestow biased boozed bossed boused bowsed bussed buzzed biassed
side beside reside dayside wayside seaside aside quayside mysid site cissoid residue passade resid cosied missaid jassid pastie hessite naysaid postie tsade azide busied decide resite gussied sidh pesade said muscid viscid biocide daisied beastie sade suicide coesite resaid gneissoid zoisite deicide