Is the word french a common noun and proper noun?

You're right to be curious about this! "French" can be both a common noun and a proper noun, depending on how it's used:

Common Noun:

* Meaning: A person from France.

* Example: "He studied the history of the French people."

Proper Noun:

* Meaning: Refers to the language or culture of France.

* Example: "I'm learning to speak French."

Important Note: When referring to the language or culture, "French" is always capitalized. When referring to people from France, it's not capitalized unless it's part of a proper name (e.g., "The French Revolution").