state of grace vs saving grace

state of grace and saving grace both are nouns.

Word	Noun	Adjective	Verb	Adverb
state of grace	Yes	No	No	No
saving grace	Yes	No	No	No

As nouns, state of grace and saving grace are synonyms defined as:

state of grace and saving grace: (Christian theology) a state of sanctification by God; the state of one who is under such divine influence

Other synonyms of state of grace include grace.

state of grace (noun)	saving grace (noun)
(Christian theology) a state of sanctification by God; the state of one who is under such divine influence	a redeeming quality or characteristic
	(Christian theology) a state of sanctification by God; the state of one who is under such divine influence