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.
isles issueless iceless
aisles wrassles rassles hassles isles tousles tussles measles lisles sols sillies newsless faceless laceless vassals juiceless missels baseless sallies selles causals nozzles hosels pusleys houseless voiceless assholes easels gazelles slews ousels issueless myceles sloes viceless resiles weasels fusils missals teazles tassels dossils dossals diazoles dazzles sizzles cicelies soulless rissoles sullies noiseless posoles pusslies nasals mueslis pizzelles nacelles iceless mussels mislies passels basils azoles passless causeless missiles pizzles hassels guzzles foozles fossils vessels sels soleus soilless massless lossless fusels azaleas losels sailless quezales teasels gasless touzles micelles housels fizzles teslas slues puzzles mizzles muzzles misallies sales paisleys sals soles pozoles fuseless noseless nuzzles resales pussleys resoles roselles ceaseless sisals zizzles deciles diesels dossels tahsils useless chisels