Tribes of Israel vs kin group

Tribes of Israel and kin group both are nouns.

Word	Noun	Adjective	Verb	Adverb
Tribes of Israel	Yes	No	No	No
kin group	Yes	No	No	No

As nouns, kin group is a hypernym of Tribes of Israel; that is, kin group is a word with a broader meaning than Tribes of Israel:

Tribes of Israel: twelve kin groups of ancient Israel each traditionally descended from one of the twelve sons of Jacob
kin group: group of people related by blood or marriage

Other hypernyms of Tribes of Israel include clan, kin, kindred, kinship group, tribe.

Tribes of Israel (noun)	kin group (noun)
twelve kin groups of ancient Israel each traditionally descended from one of the twelve sons of Jacob	group of people related by blood or marriage