scruples vs moral sense

scruples and moral sense both are nouns.

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

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

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

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

scruples (noun)	moral sense (noun)
motivation deriving logically from ethical or moral principles that govern a person's thoughts and actions	motivation deriving logically from ethical or moral principles that govern a person's thoughts and actions