Words by letter C
- Common Commercial Policy
- Common currency
- Common Customs Tariff
- Common decision-making
- Common Defence Policy, CDP - See Defence.
- Common Fisheries Policy, CFP
- Common Foreign and Security Policy, CFSP
- Common Market
- Common Market Organisations, CMO
- Common position
- Common Trade Policy
- Common Transport Policy
- Commonwealth of Independent States, CIS
- Communication
- Communist group