superordinate vs leader

superordinate and leader both are nouns.

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

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

superordinate (noun)	leader (noun)
a word that is more generic than a given word	a featured article of merchandise sold at a loss in order to draw customers
one of greater rank or station or quality	a person who rules or guides or inspires others

superordinate (adjective)	leader (adjective)
of higher rank or status or value

superordinate (verb)	leader (verb)
place in a superior order or rank