intimacy vs closeness

intimacy and closeness both are nouns.

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

As nouns, intimacy and closeness are synonyms defined as:

Other synonyms of intimacy include familiarity.

As nouns, intimacy and closeness are synonyms defined as:

intimacy and closeness: a feeling of being intimate and belonging together

intimacy (noun)	closeness (noun)
close or warm friendship	the spatial property resulting from a relatively small distance
a feeling of being intimate and belonging together	characterized by a lack of openness (especially about one's actions or purposes)
a usually secretive or illicit sexual relationship	the quality of being close and poorly ventilated
	close or warm friendship
	extreme stinginess
	a feeling of being intimate and belonging together