pentarchy
five
【医】 pent-; Quinq
country; nation; national; state
unite; ally; connect; link; associate; band; joint; combination; federation
linkage; union; alliance
【计】 uniting
【化】 union
【医】 association; coadunation; coadunition; symphysis; syndesis; union
【经】 associate; coalition; combination; consolidate; consortium; fusion
union