| Detektor | detector receiver |
| Detektorradio | crystal set |
| Detektei | detective agency |
| Detektiv | detective |
| Elektor | elector |
| Deflektor | deflector |
| Direktor | manager director headmaster principal senior vice president |
| Selektor | selector |
| Detention | detention |
| detto | ditto |
| Demeter | Demeter |
| Meteor | meteor |
| Protektor | protector |
| Bivektor | bivector |
| Dejektion | dejecta |
| Hektor | Hector |
| Reflektor | reflector |
| Defekt | defect fault deficiency |
| defekt | defective damage |
| Lektor | lector reader lecturer literary editor |