| Gruppenoperation | group action |
| Gruppenaktion | group action |
| Gruppentherapie | group therapy |
| Zahnoperation | dental operation |
| Bypassoperation | bypass surgery |
| Rekuperation | recuperation |
| Generation | generation |
| Regeneration | regeneration |
| Gruppenarbeit | groupwork |
| Gruppendenken | groupthink |
| Gruppendynamik | group dynamics |
| Gruppenphase | group stage |
| Gruppentheorie | group theory |
| Penetration | penetration |
| Herzoperation | heart surgery |
| Kooperation | cooperation co-operation |
| Operation | surgery operation |
| Perspiration | perspiration |
| Ich-Generation | me generation |
| Degeneration | degeneration |