familiarity vs intimacy

familiarity and intimacy both are nouns.

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

As nouns, familiarity and intimacy are synonyms defined as:

Other synonyms of familiarity include closeness.

familiarity (noun)	intimacy (noun)
an act of undue intimacy	close or warm friendship
usualness by virtue of being familiar or well known	a feeling of being intimate and belonging together
close or warm friendship	a usually secretive or illicit sexual relationship
a casual manner
personal knowledge or information about someone or something