sacerdotal vs hieratic

sacerdotal is not a noun while hieratic is a noun.

Word	Noun	Adjective	Verb	Adverb
sacerdotal	No	Yes	No	No
hieratic	Yes	Yes	No	No

As adjectives, sacerdotal and hieratic are synonyms defined as:

Other synonyms of sacerdotal include hieratical, priestly.

sacerdotal (noun)	hieratic (noun)
	a cursive form of Egyptian hieroglyphics; used especially by the priests

sacerdotal (adjective)	hieratic (adjective)
associated with the priesthood or priests	written or belonging to a cursive form of ancient Egyptian writing
of or relating to a belief in sacerdotalism	associated with the priesthood or priests
	adhering to fixed types or methods; highly restrained and formal