conscience vs conscientious

conscience is a noun but conscientious is not a noun.

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

conscience (noun)	conscientious (noun)
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

conscience (adjective)	conscientious (adjective)
	guided by or in accordance with conscience or sense of right and wrong
	characterized by extreme care and great effort