gangland vs syndicate

gangland and syndicate both are nouns.

Word	Noun	Adjective	Verb	Adverb
gangland	Yes	No	No	No
syndicate	Yes	No	Yes	No

As nouns, syndicate is a hyponym of gangland; that is, syndicate is a word with a more specific, narrower meaning than gangland:

gangland: underworld organizations
syndicate: a loose affiliation of gangsters in charge of organized criminal activities

Other hyponyms of gangland include yakuza, Maffia, Mafia, Sicilian Mafia, Black Hand, Camorra, crime syndicate, family, mob.

gangland (noun)	syndicate (noun)
underworld organizations	an association of companies for some definite purpose
	a loose affiliation of gangsters in charge of organized criminal activities
	a news agency that sells features or articles or photographs etc. to newspapers for simultaneous publication

gangland (verb)	syndicate (verb)
	sell articles, television programs, or photos to several publications or independent broadcasting stations
	organize into or form a syndicate
	join together into a syndicate