involvement vs group action

involvement and group action both are nouns.

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

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

involvement (noun)	group action (noun)
the act of sharing in the activities of a group	action taken by a group of people
a sense of concern with and curiosity about someone or something
a connection of inclusion or containment
a usually secretive or illicit sexual relationship
the condition of sharing in common with others (as fellows or partners etc.)