Tribe, Family, Household. See definition for φυλη 5443 See definition for πατρια 3965 See definition for οικος 3624 These words form a series. φυλη is sometimes a race, nation, but usually a tribe, such as one of the twelve tribes of Israel, descended from the twelve sons of Jacob. πατρια is a smaller division within the tribe, it's an association of families closely related, in the N.T. generally used of those descended from a particular one of the sons of Jacob's sons. οικος is yet narrower, household, including all the inmates of a single house, being the unit of organization.