superego vs conscience

superego and conscience both are nouns.

Word	Noun	Adjective	Verb	Adverb
superego	Yes	No	No	No
conscience	Yes	No	No	No

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

superego: (psychoanalysis) that part of the unconscious mind that acts as a conscience
conscience: motivation deriving logically from ethical or moral principles that govern a person's thoughts and actions

Other hypernyms of superego include moral sense, scruples, sense of right and wrong.

superego (noun)	conscience (noun)
(psychoanalysis) that part of the unconscious mind that acts as a conscience	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