| Subject | English | German |
| med. | second pair | Sehnerv (par secundum) |
| med. | second pair | zweiter Hirnnerv (par secundum) |
| med. | second pair | Nerv opticus (par secundum) |
| fin., IT | second pair of eyes principle | Vieraugenprinzip |
| fin., IT | second pair of eyes principle | Vier-Augen-Prinzip |