familiarity vs liberty

familiarity and liberty both are nouns.

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

As nouns, familiarity and liberty are synonyms defined as:

Other synonyms of familiarity include impropriety, indecorum.

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