5944
Tribe, Family, Household.
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.