organized crime vs gang

organized crime and gang both are nouns.

Word	Noun	Adjective	Verb	Adverb
organized crime	Yes	No	No	No
gang	Yes	No	Yes	No

organized crime (noun)	gang (noun)
underworld organizations	tool consisting of a combination of implements arranged to work together
	an organized group of workmen
	an association of criminals
	an informal body of friends

organized crime (verb)	gang (verb)
	act as an organized group