pleasure principle vs reality principle

pleasure principle and reality principle both are nouns.

Word	Noun	Adjective	Verb	Adverb
pleasure principle	Yes	No	No	No
reality principle	Yes	No	No	No

pleasure principle (noun)	reality principle (noun)
(psychoanalysis) the governing principle of the id; the principle that an infant seeks gratification and fails to distinguish fantasy from reality	(psychoanalysis) the governing principle of the ego; the principle that as a child grows it becomes aware of the real environment and the need to accommodate to it