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.
durns diurons durians durions turns darns dourines dourness drowns drones drains dryness turions tureens durance dearness direness taurines tourneys tarns trans terns trones trines ternes tronas treens trains triens triunes trienes terreens trannies terranes terrenes terrains trainees trueness terrines tarriness teariness tyrannies tyrannise
bourns mourns curns burns urns durns churns turns kernes wrens ferns earns horns grans ruins brins ornis pornos herns girns sarins rins irons currans kerns rouens gyrons morns runs wyverns frons yarns sharns sorns warns marrons trans ternes barns perrons reearns prunes barrens runes cairns bairns grins serins garrons kirns purins corns mirins morons herons syrens furans ernes journos burans learns girons pirns carns lorans korunas porns brans karns hyperons varnas airns firns sarans darns brens querns prunus bournes liernes cornus erns borons sirens bruins burins barons reruns neurons diurons tarns terns triunes pyrans warrens shairns shorans yearns
durn darn diuron dourine drone durian durion turn