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.
aristo aorist arista aurist airiest aristae airest arrest arrestee aroused arrased
aristo wriest wristy furriest aorist arista airiest presto diarist purist tarriest lyrist tourist miriest leariest touristy grist turista crista weariest verist chariest hoariest cheeriest wrist aurist barista teariest fieriest first aeriest burriest eeriest mooriest sorriest priest driest leeriest merriest beeriest querist tourista goriest triste jurist wariest veriest wiriest hairiest charriest firriest christy
arise ars airs ares arias ariose ariosi arioso arose arris arse auris