How do the flavors and characteristics of bourbon and whiskey differ when compared side by side?

Bourbon and whiskey differ in flavors and characteristics due to their production methods. Bourbon is sweeter and smoother with notes of caramel and vanilla, while whiskey has a wider range of flavors including smoky, spicy, and fruity notes. Additionally, bourbon must be made in the United States and aged in new charred oak barrels, while whiskey can be made anywhere and aged in various types of barrels.