intimacy vs friendliness

intimacy and friendliness both are nouns.

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

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

intimacy (noun)	friendliness (noun)
close or warm friendship	a friendly disposition
a feeling of being intimate and belonging together	a feeling of liking for another person; enjoyment in their company
a usually secretive or illicit sexual relationship