sleeping around vs promiscuity

sleeping around and promiscuity both are nouns.

Word	Noun	Adjective	Verb	Adverb
sleeping around	Yes	No	No	No
promiscuity	Yes	No	No	No

As nouns, sleeping around and promiscuity are synonyms defined as:

sleeping around and promiscuity: indulging in promiscuous (casual and indiscriminate) sexual relations

Other synonyms of sleeping around include promiscuousness.

sleeping around (noun)	promiscuity (noun)
indulging in promiscuous (casual and indiscriminate) sexual relations	indulging in promiscuous (casual and indiscriminate) sexual relations