Gestalt psychology vs holistic theory

Gestalt psychology and holistic theory both are nouns.

Word	Noun	Adjective	Verb	Adverb
Gestalt psychology	Yes	No	No	No
holistic theory	Yes	No	No	No

Gestalt psychology (noun)	holistic theory (noun)
(psychology) a theory of psychology that emphasizes the importance of configurational properties	the theory that the parts of any whole cannot exist and cannot be understood except in their relation to the whole