motivation vs human action

motivation and human action both are nouns.

Word	Noun	Adjective	Verb	Adverb
motivation	Yes	No	No	No
human action	Yes	No	No	No

As nouns, human action is a hypernym of motivation; that is, human action is a word with a broader meaning than motivation:

Other hypernyms of motivation include act, deed, human activity.

motivation (noun)	human action (noun)
the psychological feature that arouses an organism to action toward a desired goal; the reason for the action; that which gives purpose and direction to behavior	something that people do or cause to happen
the act of motivating; providing incentive
the condition of being motivated