conscience vs ethical motive

conscience and ethical motive both are nouns.

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

As nouns, ethical motive is a hypernym of conscience; that is, ethical motive is a word with a broader meaning than conscience:

conscience: motivation deriving logically from ethical or moral principles that govern a person's thoughts and actions
ethical motive: motivation based on ideas of right and wrong

Other hypernyms of conscience include ethics, morality, morals.

conscience (noun)	ethical motive (noun)
conformity to one's own sense of right conduct	motivation based on ideas of right and wrong
a feeling of shame when you do something immoral
motivation deriving logically from ethical or moral principles that govern a person's thoughts and actions