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.
serenes sereins serines soreness sureness syrens sirens serins serranos sourness sorns sciurines sorriness sarans sarins cernuous saurians
arenes pyrenes terrenes serenes gyrenes fairness sureness phrensy gurneys boranes dourines soreness terreens furanes ternes freeness brens pyrones dearness arenas moreness serines marines byrnies taurines runes treens sheerness warrens ernes tureens trones rareness triens terrines renews carnies wrens careens pereons reins bournes farness bareness pureness preens cranes syrens mureins burnies queerness moreens murines sourness journeys irones prunes sirens sciurines corneas greens dourness barrens crones direness greenies neurines drones brines purines poorness neurones nearness terranes liernes barneys carneys harness kernes boreens sereins tourneys trienes trines trueness urines chorines shrines
serene serein serin serine siren syren