associations, boards, brotherhoods, chambers, clubs, colleges, congresses, consortia(also consortiums), councils, fellowships, fraternities, guilds(also gilds), institutes, institutions, leagues, orders, societies, sodalities

collectives, communes, communities, cooperativesalliances, blocs, camps, coalitions, partnershipsbodies, cadres, groupscircles, clans, cliques, coteries, juntas, juntos, klatches(also klatsches), lots, setscrews, outfits, parties, squads, teamsbranches, chapters, localsfaithfuls, folds, membershipssisterhoods, sororitiescabals, camarillas, camorras, confederacies, conspiraciesbands, gangs, ringscartels, combines, syndicates