crone vs hag

crone and hag both are nouns.

Word	Noun	Adjective	Verb	Adverb
crone	Yes	No	No	No
hag	Yes	No	No	No

As nouns, crone and hag are synonyms defined as:

Other synonyms of crone include beldam, beldame, witch.

crone (noun)	hag (noun)
an ugly evil-looking old woman	eellike cyclostome having a tongue with horny teeth in a round mouth surrounded by eight tentacles; feeds on dead or trapped fishes by boring into their bodies
	an ugly evil-looking old woman