free agency vs delegacy

free agency and delegacy both are nouns.

Word	Noun	Adjective	Verb	Adverb
free agency	Yes	No	No	No
delegacy	Yes	No	No	No

As nouns, delegacy is a hypernym of free agency; that is, delegacy is a word with a broader meaning than free agency:

free agency: (sports) the state of a professional athlete who is free to negotiate a contract to play for any team
delegacy: the state of serving as an official and authorized delegate or agent

Other hypernyms of free agency include agency, representation.

free agency (noun)	delegacy (noun)
(sports) the state of a professional athlete who is free to negotiate a contract to play for any team	the appointment of a delegate
	a group of representatives or delegates
	the state of serving as an official and authorized delegate or agent