Related Clues:

• Completely
• Nervous
• Totally
• Certain craving
• Stain maker
• Niacin source
• Alkaloid in tomatoes
• Source of addiction
• What some patches provide
• Gum variety
• Ingredient in some gum
• Merit inclusion?
• Substance in cigarettes
• Smoker's stimulant
• I net coin from a popular poison