moral sense vs conscience

moral sense and conscience both are nouns.

Word	Noun	Adjective	Verb	Adverb
moral sense	Yes	No	No	No
conscience	Yes	No	No	No

As nouns, moral sense and conscience are synonyms defined as:

moral sense and conscience: motivation deriving logically from ethical or moral principles that govern a person's thoughts and actions

Other synonyms of moral sense include scruples, sense of right and wrong.

moral sense (noun)	conscience (noun)
motivation deriving logically from ethical or moral principles that govern a person's thoughts and actions	conformity to one's own sense of right conduct
	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