behaviorist vs behaviourist

behaviorist and behaviourist both are nouns.

Word	Noun	Adjective	Verb	Adverb
behaviorist	Yes	Yes	No	No
behaviourist	Yes	Yes	No	No

As adjectives, behaviorist and behaviourist are synonyms defined as:

Other synonyms of behaviorist include behavioristic, behaviouristic.

As nouns, behaviorist and behaviourist are synonyms defined as:

behaviorist and behaviourist: a psychologist who subscribes to behaviorism

behaviorist (noun)	behaviourist (noun)
a psychologist who subscribes to behaviorism	a psychologist who subscribes to behaviorism

behaviorist (adjective)	behaviourist (adjective)
of or relating to behaviorism	of or relating to behaviorism