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.
reissues rises reassess reuses resees raises wrasses ruses rases rices roses risus rousseaus resays razees resaws recess resews resize rouses resows rooses reseaus reseize races razes razzes
issues reissues tissues sues missies musses hussies disses mosses losses fosses tassies fusses dosses kisses quasses josses cusses gausses lassies lessees sissies dassies nesses chesses passus chasses wusses pussies tusses tosses hissies hisses poussies posses cesses gussies gessoes esses sasses sises byssus messes bosses bossies asses isseis assess biasses guesses cuisses gasses lassoes cissies wrasses sisses sassies susses busses jesses reassess basses pusses possess pisses gneisses tasses mousses passes masses misses lasses loesses tussehs wisses missus wussies chausses fesses yesses
reissue reis briss cress cressy crissa press priss prissy rerise dress dressy tress tressy res