Co-op
Part of speech: noun
Definition: A unit of a housing co-operative; a purchased apartment where the apartment owners collectively are responsible for maintenance of common areas and upkeep. Any co-operative, including housing, retail, utility, agricultural, banking or worker cooperatives. Any shop owned by a co-operative. A co-operative game, as opposed to a competitive game or deathmatch.
Cooperative
Part of speech: adjective
Definition: Ready to work with another person or in a team; ready to cooperate.
Part of speech: noun
Definition: A type of company that is owned partially or wholly by its employees, customers or tenants. Abbreviation: co-op.
Example sentence: If you make a film normally it's all right, the distributors are helpful and cooperative. But if you make a film that's a little stange, a little bizarre, then all the time it's a struggle with them.