familiarity vs friendliness

familiarity and friendliness both are nouns.

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

As nouns, friendliness is a hypernym of familiarity; that is, friendliness is a word with a broader meaning than familiarity:

familiarity (noun)	friendliness (noun)
an act of undue intimacy	a friendly disposition
usualness by virtue of being familiar or well known	a feeling of liking for another person; enjoyment in their company
close or warm friendship
a casual manner
personal knowledge or information about someone or something