| contusie | contusion |
| Conus litteratus | Conus litteratus |
| Conus marmoreus | Conus marmoreus |
| Convair | Convair |
| convectie | convection |
| convectiekachel | convector |
| convector | convector |
| Convent | Monastery |
| Convent van Christus | Order of Christ |
| conventie | meeting |
| Conventie over de Toekomst van Europa | European Convention |
| Conventie van Bazel | Basel Convention |
| Conventie van Bern | Berne Convention for the Protection of Literary and Artistic Works |
| Conventie van Peking | Convention of Peking |
| Conventie van Zandrivier | Sand River Convention |
| Convention on International Civil Aviation | Convention on International Civil Aviation |
| Convention on International Trade in Endangered Species of Wild Fauna and Flora | CITES |
| Convention on the Conservation of Migratory Species of Wild Animals | Bonn Convention |
| conventioneel | conventional |
| convergent | convergent |
| Convergente evolutie | Convergent evolution |
| Convergente plaatgrens | Convergent boundary |
| convergentie | convergence |
| convergeren | concourse |
| convergerend | convergent |
| conversatie | dialogue |
| converseren | discourse |
| conversie | conversion |
| converteerbaar | convertible |
| converteerbaarheid | convertibility |
| convertibel | convertible |
| convertibele mark | convertible mark |
| Convertibele peso | Cuban convertible peso |
| convertibiliteit | convertibility |
| convertible | convertible |
| convertiet | convert |
| convertor | converter |
| convex | convex |
| convexiteit | convexity |
| convocatie | convocation |
| convoceren | convoke |
| convolvulus | convolvulus |
| convulsie | fit |
