groupthink vs deciding

groupthink and deciding both are nouns.

Word	Noun	Adjective	Verb	Adverb
groupthink	Yes	No	No	No
deciding	Yes	Yes	No	No

As nouns, deciding is a hypernym of groupthink; that is, deciding is a word with a broader meaning than groupthink:

groupthink: decision making by a group (especially in a manner that discourages creativity or individual responsibility)
deciding: the cognitive process of reaching a decision

Other hypernyms of groupthink include decision making.

groupthink (noun)	deciding (noun)
decision making by a group (especially in a manner that discourages creativity or individual responsibility)	the cognitive process of reaching a decision

groupthink (adjective)	deciding (adjective)
	having the power or quality of deciding