| doppelt | double |
| Doppelte | double |
| Doppelter | double |
| Doppel- | semi-detached |
| doppel- | double |
| Doppeltüren | double doors |
| doppeln | double |
| Doppel | doubles |
| Oppeln | Opole |
| Koppel | paddock coupler belt |
| hoppeln | hop |
| koppeln | connect couple dock join link dead reckoning |
| Düppel | chaff |
| deppert | dumb stupid crazy |
| Doppelehe | bigamy |
| Dope | dope |
| Doppelakut | double acute accent |
| Doppelbett | double bed full-size bed king-size bed |
| Doppellaut | diphtong |
| Doppelung | doubling |