Scotch and bourbon are both whiskeys.
Here are the general differences. The following statements are generalizations.
Bourbon takes its name from Bourbon County, Kentucky. Small batch bourbons are single distillery brews, meaning they have not been blended with other whiskeys/bourbons/neutral spirits, and thus are akin single malt scotches.
Scotch is usually 80 proof, bourbon is usually 100 proof.
Bourbon is made from distilled corn, Scotch is made from various...