| Doppelgänger | double doppelganger |
| Doppelgängerin | double |
| Doppelganze | breve |
| Doppeladler | double-headed eagle |
| Doppelbauer | doubled pawns |
| Doppelbürger | binational dual national |
| Doppelagent | double agent |
| Doppelangebot | twofer |
| Doppelter | double |
| Doppelvierer | four |
| Doppelzentner | quintal |
| doppellagig | double |
| doppelzüngig | devious |
| Doppelbogey | double bogey |
| Doppeldecker | biplane double decker |
| Doppelfehler | double fault |
| Doppelmörder | double-murderer two-time murderer |
| Doppelname | double name |
| Doppelstaater | binational dual national |
| Doppelung | doubling |