gangster vs apache

gangster and apache both are nouns.

Word	Noun	Adjective	Verb	Adverb
gangster	Yes	No	No	No
apache	Yes	No	No	No

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

Other hyponyms of gangster include yakuza, yardie.

gangster (noun)	apache (noun)
a criminal who is a member of gang	a Parisian gangster