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.
sels sells seals seels selles selahs sols sals cels zeals slays sulus sloes soils sails cells sills slews slues slaws silos ceils salsa solos slows sylis solus sales souls sauls soles cellos soleus sallies sallows scillas sillies sullies sailless soilless soulless slice sulci zills
bels keels chiels tels taels dels seels els feels fuels heels gels eels mels koels kneels noels peels reels riels cels sels duels teels wheels shiels