Related Clues:

• Fire - or part of one!
• Component - habitat
• Fire (or part of one)
• Agreement - conformity
• Iron, for instance - part of an electric kettle
• Basic chemical unit
• Agreement - harmony
• Basic substance or feature
• Primary chemical substance
• Fundamental part of whole
• Ingredient — small amount
• Operative part of an electric kettle
• Caught military leader, in a way, making treaty
• Component — factor
• Palindromic auto model