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.
sokols skoals sockless skulls socles skills scowls skells suckles sickles suckless skilless sicklies sculls scalls siglos scales sequels squalls squeals squills seagulls secalose squillas
sokols coils coles vakils cools cowls cols nickles recoils pickles rugolas mickles sickles knuckles keckles koels googols deckels cackles tackles heckles chuckles gigolos shekels colas gaols goals scowls quolls vacuoles kolas kohls kolos nickels recoals nicols ruckles mackles muckles coals guaiacols skoals cockles suckles jackals deckles hackles tickles huckles shackles buckles yokels