commander in chief vs commander

commander in chief and commander both are nouns.

Word	Noun	Adjective	Verb	Adverb
commander in chief	Yes	No	No	No
commander	Yes	No	No	No

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

Other hypernyms of commander in chief include commandant, commanding officer.

commander in chief (noun)	commander (noun)
the officer who holds the supreme command	an officer in command of a military unit
	a commissioned naval officer who ranks above a lieutenant commander and below a captain
	an officer in the airforce
	someone in an official position of authority who can command or control others