folks vs clan

folks and clan both are nouns.

Word	Noun	Adjective	Verb	Adverb
folks	Yes	No	No	No
clan	Yes	No	No	No

As nouns, clan is a hypernym of folks; that is, clan is a word with a broader meaning than folks:

Other hypernyms of folks include kin, kin group, kindred, kinship group, tribe.

folks (noun)	clan (noun)
your parents	group of people related by blood or marriage
people in general (often used in the plural)