kinsfolk vs gens

kinsfolk and gens both are nouns.

Word	Noun	Adjective	Verb	Adverb
kinsfolk	Yes	No	No	No
gens	Yes	No	No	No

As nouns, gens is a hyponym of kinsfolk; that is, gens is a word with a more specific, narrower meaning than kinsfolk:

Other hyponyms of kinsfolk include people, homefolk, house, dynasty, name.

kinsfolk (noun)	gens (noun)
people descended from a common ancestor	family based on male descent