free will vs discretion

free will and discretion both are nouns.

Word	Noun	Adjective	Verb	Adverb
free will	Yes	No	No	No
discretion	Yes	No	No	No

As nouns, free will and discretion are synonyms defined as:

free will and discretion: the power of making free choices unconstrained by external agencies

free will (noun)	discretion (noun)
the power of making free choices unconstrained by external agencies	the trait of judging wisely and objectively
	the power of making free choices unconstrained by external agencies
	knowing how to avoid embarrassment or distress
	refined taste; tact
	freedom to act or judge on one's own