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.
verso viers veers verse veeries vars vairs varas vires vrows fears varus virus feres feuars vrouws vireos varias varies ferias furioso faeries ferrous ferries various ferreous gheraoes firs furs
verso ers lears lehrs feres veers verse viers haeres hypers heirs fears hoers jeers goers kiers queers meres weirs heros rears shoers sears sheers cheers peris piers ceres torso wooers seres peers sieurs dears doers terse xerus errs eros hears quaeres keirs cooers gears hers eras nears wears resow bears beers biers ears leers queuers liers heres suers wheres tears deers zeros sers pears seers tiers proso ruers perse peres cheeros shears ceros shiers years
veer veery vera very vier aver ever every over