Joshua 21:20

Ephraim : the tribe of Ephraim as a whole,the northern kingdom of Israel
(31° 57´, 35° 17´)

Kohathites : members of the clan of Kohath of Levi

Levites : relating to Levi and the priesthood given to him,a tribal name describing people and ceremonies as sacred

Joshua 21:41

Israel : a citizen of Israel.,a member of the nation of Israel

Levites : relating to Levi and the priesthood given to him,a tribal name describing people and ceremonies as sacred