Whiskey is distilled spirit made from fermented grains and are aged in wood barrels.
Scotch is also a whiskey made in Scotland.
Vodka is a plain alcohol distilled so that it has almost no flavor. generally made from grains and potatoes.
Rum is from fermented sugarcane juice.
Gin is basically vodka flavored with juniper berries and other spices.
Wine is made from grapes.
Beer is from barley.