intimacy vs amour

intimacy and amour both are nouns.

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

As nouns, intimacy and amour are synonyms defined as:

Other synonyms of intimacy include affair, affaire, involvement, liaison.

intimacy (noun)	amour (noun)
close or warm friendship	a usually secretive or illicit sexual relationship
a feeling of being intimate and belonging together
a usually secretive or illicit sexual relationship