| Subject | English | Thesaurus |
| commun. | Administrative Co-operation Group | ADCO |
| abbr., scottish | Agreement on Defence Co-operation | ADC |
| mil., abbr. | Base Operation Services | BOS |
| abbr., scottish | Canada-US Military Co-operation Community, US Section | MCC |
| abbr. | co-operation | co-op (Vosoni) |
| abbr., scottish | Co-operation Council for the Arab States of the Gulf | GCC |
| abbr., scottish | Conference on Security & Co-operation in Europe | CSCE |
| abbr., scottish | Conference on Security & Co-operation in the Mediterranean & Middle East | CSCM |
| abbr., scottish | Council for Security Co-operation in Asia-Pacific | CSCAP |
| abbr., microel. | CW operation | continuous wave operation |
| abbr., scottish | Defence Co-operation Agreement | DCA |
| abbr., scottish | Defence Co-operation in Armaments | DCA |
| abbr., scottish | Defense & Economic Co-operation Agreement | DECA (USA) |
| abbr., foreig.aff. | European Steering Committee for Intergovernmental Co-operation in the Youth Field | CDEJ |
| vet.med., abbr. | General Committee for Agricultural Co-operation in the European Union | COGECA |
| abbr., scottish | General Staff, Civil / Military Co-operation | G5 (British Army) |
| abbr., scottish | Georgia, Ukraine, Azerbaijan, Moldova regional co-operation group | GUAM |
| busin., abbr. | Gulf Co-operation Council | GCC |
| mil., logist. | high intensity operation | Operation whereby all operational functions are activated in order to face open violence from an enemy. (FRA) |
| abbr., microel. | IF-THEN operation | conditional implication operation |
| abbr., scottish | Industrial Co-operation Agreement | ICA |
| abbr., scottish | Interdepartmental Commission on Military-Technical Co-operation | ICMTC (Russia) |
| abbr., scottish | International Bank for Economic Co-operation | IBEC |
| vet.med., abbr. | International Co-operation on Harmonisation | ICH (of Technical Requirements for the Registration of Veterinary Medicinal Products) |
| mil., logist. | low intensity operation | Operation whereby only a part of the operational functions are activated in order to face a situation with little coercion, within the framework of violence control, but which does not preclude the use of firearms. (FRA) |
| abbr., scottish | Main Administration for Military-Technical Co-operation | MAMTC (Russia) |
| mil., logist. | medium intensity operation | Operation in which all or part of the operational functions are activated in order to counter an obvious or expressed violence from the part of the enemy. (FRA) |
| gen. | memo of co-operation | MoC (MichaelBurov) |
| gen. | memo on co-operation | MoC (MichaelBurov) |
| gen. | memorandum of co-operation | MoC (MichaelBurov) |
| gen. | memorandum on co-operation | MoC (MichaelBurov) |
| abbr., astronaut. | Middle Atmosphere Co-operation programme | MAC |
| abbr., scottish | Middle East Regional Co-operation for Development | RCD |
| abbr., scottish | Military Technical Co-operation | MTC |
| abbr., scottish | Northeast Asian Co-operation Dialogue | NACD |
| abbr., int.rel. | Northern Ireland Co-operation Overseas | NICO (Ker-online) |
| energ.ind., abbr. | Operation Reliability Analysis Program | ORAP |
| abbr., scottish | Organisation Africaine et Malgache de Co-operation Economique | OAMCE |
| abbr., scottish | Organisation for Economic Co-operation & Development | OECD |
| abbr., scottish | Organisation for European Economic Co-operation | OEEC (Now OECD) |
| abbr. | Organization for Economic Co-operation and Development | OECD |
| UN, abbr. | Organization for Security and Co-operation in Europe | OSCE |
| abbr., pharma. | Pharmaceutical Inspection Co-operation Scheme | PIC/S (Система сотрудничества по фармацевтическим инспекциям kat_j) |
| gen. | protocol of co-operation | MoC (MichaelBurov) |
| gen. | protocol on co-operation | MoC (MichaelBurov) |
| abbr. | Science Co-operation Office for South-East Asia | SEASCO |
| abbr., scottish | South Pacific Bureau for Economic Co-operation | SPEC |
| busin., abbr. | Technology Operations And Property Services | TOPS |
| abbr., scottish | Trilateral Frigate Co-operation | TFC (Netherlands, Germany and Spain) |
| abbr., scottish | Union Africaine et Malgache de Co-operation Economique | UAMCE |
| vet.med., abbr. | Veterinary International Co-operation on Harmonization | VICH (of Technical Requirements for the Registration of Veterinary Medicinal Products - EU) |
