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.
pyrones pyrenes prunes pyrans prions purines pereons perrons pirns hyperons pyranose poorness porns pureness pereions paranoeas prunus prince prawns preens purins prance pornos parians piranas puranas pruinose paranoias
irones pyrones trones drones neurones crones barons heroins gyrons furanes neurines harness borons baronnes marines frons groans bournes carnies virions maroons farness girons dearness dourines journeys neurons fairness barneys durions sheerness chorines turions tronas groynes tourneys terrenes prunes ternes crowns corneas byrnies herons arenes pyrenes poorness cronies cranes kernes serines gyrenes irons kroons heroines ernes diurons murines gurneys marrons queerness croons perrons ironies carrions baroness morions coronas liernes bronze sciurines morons roans carneys sourness hyperons pereons browns boranes purines morrions brionies frowns brines groins serenes prions nearness runes garrons baronies dourness drowns taurines terranes terrines trines burnies urines chorions shrines
pyrone prion prone pyran pyrene apron