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.
triste tryste turista trustee tourist tryst trust tourista touristy tarriest teariest triced trusty driest truest diarist torsade tressed trussed torosity durst drest direst traced truced dearest dourest dressed drowsed tierced triacid
triste hirsute aeriest tryste purist jarosite airiest wrist verste resite veriest recite cruised leariest aorist fieriest burriest merriest cristae first grist wristy christie charriest wariest aristae priest braised prostie wiriest periostea tourista mooriest wriest sorriest horste driest creosote teariest lyrist cerusite hairiest arista crista merozoite bruised eeriest raised querist crosstie furriest goriest beeriest verist aurist aristo irised prussiate trustee bursate firriest arrestee reraised miriest leeriest tarriest jurist diarist hoariest cerussite barista tourist cheeriest parasite weariest prised boracite praised touristy turista chariest christy
tars torso trois terse tories tors torse torsi tarsi tres trass tress tressy trice tries trios triose truss