commander vs leader

commander and leader both are nouns.

Word	Noun	Adjective	Verb	Adverb
commander	Yes	No	No	No
leader	Yes	No	No	No

As nouns, leader is a hypernym of commander; that is, leader is a word with a broader meaning than commander:

commander: someone in an official position of authority who can command or control others
leader: a person who rules or guides or inspires others

commander (noun)	leader (noun)
an officer in command of a military unit	a featured article of merchandise sold at a loss in order to draw customers
a commissioned naval officer who ranks above a lieutenant commander and below a captain	a person who rules or guides or inspires others
an officer in the airforce
someone in an official position of authority who can command or control others