ethical motive vs morals

ethical motive and morals both are nouns.

Word	Noun	Adjective	Verb	Adverb
ethical motive	Yes	No	No	No
morals	Yes	No	No	No

As nouns, ethical motive and morals are synonyms defined as:

Other synonyms of ethical motive include ethics, morality.

ethical motive (noun)	morals (noun)
motivation based on ideas of right and wrong	motivation based on ideas of right and wrong