liberty vs discretion

liberty and discretion both are nouns.

Word	Noun	Adjective	Verb	Adverb
liberty	Yes	No	No	No
discretion	Yes	No	No	No

As nouns, discretion is a hyponym of liberty; that is, discretion is a word with a more specific, narrower meaning than liberty:

Other hyponyms of liberty include licence, license, latitude, licence, license, run.

liberty (noun)	discretion (noun)
an act of undue intimacy	the trait of judging wisely and objectively
immunity from arbitrary exercise of authority: political independence	the power of making free choices unconstrained by external agencies
freedom of choice	knowing how to avoid embarrassment or distress
personal freedom from servitude or confinement or oppression	refined taste; tact
leave granted to a sailor or naval officer	freedom to act or judge on one's own