liberty vs familiarity

liberty and familiarity both are nouns.

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

As nouns, liberty and familiarity are synonyms defined as:

Other synonyms of liberty include impropriety, indecorum.

liberty (noun)	familiarity (noun)
an act of undue intimacy	an act of undue intimacy
immunity from arbitrary exercise of authority: political independence	usualness by virtue of being familiar or well known
freedom of choice	close or warm friendship
personal freedom from servitude or confinement or oppression	a casual manner
leave granted to a sailor or naval officer	personal knowledge or information about someone or something