| Deflation | deflation |
| Defloration | defloration |
| Defäkation | defecation |
| Inflation | inflation |
| Depilation | depilation hair removal dehairing |
| Relation | relation |
| Deletion | deletion |
| Depletion | depletion |
| Definition | definition |
| Defätist | defeatist |
| Reflektion | reflection |
| Reflexion | reflection |
| Delativ | delative case |
| Epilation | epilation |
| Ablation | ablation amputation surgical incision surgical removal |
| Emulation | emulation |
| Fellatio | fellatio |
| Isolation | insulation isolation |
| Kollation | collating collation |
| Ovulation | ovulation |