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.
crones cronies crowns croons cranes coronas groynes corneas carneys carnies corns curns carns carrions corneous crannies cornus cairns kroons groins kernes groans currans gurneys careens garrons cornice carinas greyness goriness greenies grannies grayness kerns grans grins kirns karns guaranies greenness queerness grains greens querns korunas currency guaranas guaranis guernsey
irones pyrones drones crones trones neurones corneas brionies borons hairiness carnies cronies farness marines heroines maroons herons girons greenies kroons virions gyrons browns frowns sciurines baronies beeriness journeys byrnies barons greenness merriness greyness purines pereons tourneys carneys sourness groynes neurons grayness kernes perrons renews trines horns ternes trannies tronas trueness goriness tyrannies pereions dourness wariness wiriness chariness serines chorines drowns sheerness morons morions moraines leeriness ironies groans coronas taurines durions gurneys croons gyrenes terrenes nearness roans crannies murines moreness prunes diurons prions barneys crowns fairness cranes brines soreness groins grannies porns airiness ironness sorns corns brownies runes miriness sureness direness bronze liernes morns fieriness burnies boranes frons furriness rawness eeriness furanes garrons irons hyperons dourines baroness ernes wryness brownness baronnes dearness bareness bournes arenes pyrenes morrions narrowness serenes sorriness heroins dryness queerness marrons rareness lornness carrions freeness hoariness harness ranees barrenness teariness triunes poorness terranes brinies neurines trainees guaranies terrines turions pureness trienes urines weariness wornness paranoeas cheeriness tarriness chorions shrines
crone crony krona crown cranny crania crane coronae corona corny cornu cornua cornea corn carny carnie carney carn croon curn krone