behaviour vs psychology

behaviour and psychology both are nouns.

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

behaviour (noun)	psychology (noun)
manner of acting or controlling yourself	the science of mental life
(psychology) the aggregate of the responses or reactions or movements made by an organism in any situation
(behavioral attributes) the way a person behaves toward other people
the action or reaction of something (as a machine or substance) under specified circumstances