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.
sequels squeals sequelize squills squalls squillas seagulls sculls skells skulls scalls scales scowls siglos sokols socles skoals skills sickles suckles
sequels quells equals coequals squeals sheqels
sequel sequela sequelae squeal