| Geotektonik | tectonics |
| Tektonik | tectonics |
| Elektronik | electronics electronic circuit |
| Gottkönig | god-king |
| Gentechnik | genetic engineering |
| Geometrie | geometry |
| Geothermik | geothermics |
| Neotenie | neoteny |
| Biotechnik | biotechnology |
| Protektion | patronage |
| Protektionist | protectionist |
| Grotesktanz | grotesque dance |
| Protektor | protector |
| Protektorat | protectorate |
| Proteomik | proteomics |
| Detektivin | bloodhound |
| Hepatektomie | hepatectomy |
| Mastektomie | mastectomy |
| Detektei | detective agency |
| Detektiv | detective |