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.
farads fards faradays faradise frauds fords farts frats faradize fiords fordoes variates foredoes ferrates frits forts frets fortes fortis frites fritts fruits ferrets forties viroids ferities ferrites phorates
rads brads farads grads korats lairds hordes jerrids frats grades herds cards irades reds rods cruds shreds nards chords cairds marauds turds gourdes murids drats bards gradus rereads brats weirds yards shards charades wards treads hydrids derats sarods prods parados nurds liards bardes aortas tortas sords perdus girds guards byroads roads boards birds beards oreads fiords fards hairdos sherds karats hurds dorados corrades hoards triads lords burds chards myriads hybrids raids pards breads hards reads sciurids rids frauds broads tirades kurtas lards purdas braids weirdos rats ordos gourds curds creds cords carats grids jurats merdes jerids irids fords yairds readds nerds parades prats sards surds dreads trades urds words shairds yirds
farad faraday faired fard fared fart feared frat fraud afraid