psychology vs learned

psychology is a noun but learned is not a noun.

Word	Noun	Adjective	Verb	Adverb
psychology	Yes	No	No	No
learned	No	Yes	No	No

psychology (noun)	learned (noun)
the science of mental life

psychology (adjective)	learned (adjective)
	established by conditioning or learning
	highly educated; having extensive information or understanding
	having or showing profound knowledge