- counterclaim
- counterclockwise
- counterconditioning
- countercoup
- counterculture
- countercurrent
- countercurrently
- countercyclical
- counterdemonstration
- countered
- counterespionage
- counterexample
- counterfactual
- counterfactuals
- counterfeit
- counterfeit
- counterfeited
- counterfeiting
- counterfeits
- counterfoil
- counterfoils
- counterforce
- counterglow
- countering
- counterinsurgency