choragus vs leader

choragus and leader both are nouns.

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

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

choragus: (ancient Greece) leader of a group or festival; leader of a chorus
leader: a person who rules or guides or inspires others

choragus (noun)	leader (noun)
(ancient Greece) leader of a group or festival; leader of a chorus	a featured article of merchandise sold at a loss in order to draw customers
	a person who rules or guides or inspires others