Difference between Persian and Farsi

Persian

Part of speech: proper noun

Definition: A group of very similar languages spoken primarily in Iran, Afghanistan, Uzbekistan, and Tajikistan.

Part of speech: adjective

Definition: Of, from, or pertaining to Persia. Of or pertaining to the Persian people. Of or pertaining to the Persian language.

Part of speech: noun

Definition: A member of the main ethnic group of Iran. A domestic cat breed. A pastry local to the Thunder Bay region in Canada often compared to either a cinnamon bun or a donut topped with pink icing.

Farsi

Part of speech: proper noun

Definition: Native name of the Persian language; national language of Iran, Afghanistan and Tajikistan.