archaism vs hence

archaism is a noun but hence is not a noun.

Word	Noun	Adjective	Verb	Adverb
archaism	Yes	No	No	No
hence	No	No	No	Yes

archaism (noun)	hence (noun)
the use of an archaic expression

archaism (adverb)	hence (adverb)
	(used to introduce a logical conclusion) from that fact or reason or as a result
	from this time
	from this place