conscience vs scruples

conscience and scruples both are nouns.

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

As nouns, conscience and scruples are synonyms defined as:

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

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

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