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.
kernes kerns kirns karns kroons querns cranes queerness crones corneas carneys gurneys cronies carnies groynes korunas crannies greyness corneous greenies grannies guernsey grayness goriness grins corns curns carns grans guaranies greenness cornus groans croons grains groins crowns cairns greens coronas garrons cornice careens carinas currans carrions guaranas guaranis
bournes ernes ternes kernes liernes sorriness neurones bairns heroines wrens varnas porns dourness fieriness gyrenes ironies harness burans pirns rins barneys sourness greenies baronies arenes lorans brins grins brownies reearns runs wyverns borons currans durns goriness barons renews cronies beeriness serenes boranes teariness freeness murines merriness airiness wryness eeriness furanes tarns girons gurneys kerns terrenes cairns pyrenes pureness trannies querns trueness reruns tourneys urns morons trienes warns weariness leeriness wornness cheeriness churns sharns nearness shorans yarns tyrannies ornis dourines burnies barrens groynes ironness tarriness terns crannies darns brans triunes rareness mirins sureness drones perrons sarins moreness queerness poorness kirns brionies dearness serins corns corneas farness sciurines carneys neurons bourns fairness miriness rawness girns bareness morns lornness serines marines narrowness dryness greyness airns hoariness terrines brownness frons burins greenness garrons horns ferns ranees grayness learns herns marrons irons brines barrenness taurines barns prunes brens baronnes grans irones furriness purins direness carnies erns cornus karns soreness earns byrnies pyrones hairiness curns journeys crones baroness sirens runes turns pyrans syrens carns herons purines brinies furans burns cranes firns journos diurons grannies pornos guaranies trainees trans trines sarans gyrons trones sorns mourns urines wariness neurines warrens hyperons wiriness chariness chorines moraines shairns terranes sheerness shrines yearns
kern kerne karn kirn krona krone