complex vs depth psychology

complex and depth psychology both are nouns.

Word	Noun	Adjective	Verb	Adverb
complex	Yes	Yes	No	No
depth psychology	Yes	No	No	No

complex (noun)	depth psychology (noun)
a whole structure (as a building) made up of interconnected or related structures	a set of techniques for exploring underlying motives and a method of treating various mental disorders; based on the theories of Sigmund Freud
a conceptual whole made up of complicated and related parts
(psychoanalysis) a combination of emotions and impulses that have been rejected from awareness but still influence a person's behavior
a compound described in terms of the central atom to which other atoms are bound or coordinated

complex (adjective)	depth psychology (adjective)
complicated in structure; consisting of interconnected parts
difficult to analyze or understand