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.
frauds farads frats fards fords faradays faradise fruits fiords fordoes faradize ferrates foredoes frits forts frets farts fortis fritts vertus frites fortes virtus ferrets forties fretsaw viroids veritas virtues ferrites phorates variates virtuose virtuosi virtuoso virtuous ferities
frauds marauds grads krauts liards bards rudds roads readds reads gradus fards rads hards cards grades curds myriads nurds parades pards rereads surds dreads tirades treads turds wards chards shrouds crudes gourds hurds guards cruds corrades irades raids farads hoards boards burds byroads broads breads braids lards brads beards nards oreads parados prudes sards dorados druids trades triads urds charades shards yards
fraud farad faraday frat fruit fruity afraid