Butterscotch and caramel are very different things. The taste difference between the two is far from 'slight' in my opinion. Caramel is typically made with granulated sugar, milk and/or cream, butter, and sometimes vanilla. read more
Caramel is a mix of white granulated sugar, heavy whipping cream, butter, and a dash of vanilla. Butterscotch, on the other hand, is made with brown sugar instead. Butterscotch originally was just a hard candy. read more