archaicism vs innocent

archaicism and innocent both are nouns.

Word	Noun	Adjective	Verb	Adverb
archaicism	Yes	No	No	No
innocent	Yes	Yes	No	No

archaicism (noun)	innocent (noun)
the use of an archaic expression	a person who lacks knowledge of evil

archaicism (adjective)	innocent (adjective)
	free from evil or guilt
	lacking intent or capacity to injure
	lacking in sophistication or worldliness
	completely wanting or lacking
	(used of things) lacking sense or awareness
	not knowledgeable about something specified
	free from sin