struggle vs group action

struggle and group action both are nouns.

Word	Noun	Adjective	Verb	Adverb
struggle	Yes	No	Yes	No
group action	Yes	No	No	No

As nouns, group action is a hypernym of struggle; that is, group action is a word with a broader meaning than struggle:

struggle (noun)	group action (noun)
strenuous effort	action taken by a group of people
an energetic attempt to achieve something
an open clash between two opposing groups (or individuals)

struggle (verb)	group action (verb)
be engaged in a fight; carry on a fight
to exert strenuous effort against opposition
climb awkwardly, as if by scrambling
make a strenuous or labored effort