If we want to get technical, they don't generally refer to any of the mafie in that way: cosa nostra, camorra, 'ndrangheta. They say, "mafia". People make it sound like you go over there and they're holding signs, "I'm with the camorra." "Look at me, I'm cosa nostra."
"I'm La Cosa Nosta, I was born Cosa Nostra, I will die Cosa Nostra" John Gotti Sr It is also in the making ceremony in most cases. LCN has an organizational structure, rules, methods of redressing greivence....THTT is the difference
Been there and done it I am very much for real, so if you ask, make sure you really want to know.