dealing vs group action

dealing and group action both are nouns.

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

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

dealing: the act of transacting within or between groups (as carrying on commercial activities)
group action: action taken by a group of people

dealing (noun)	group action (noun)
method or manner of conduct in relation to others	action taken by a group of people
the act of transacting within or between groups (as carrying on commercial activities)