| Nullnummer | free first issue pilot issue |
| Nullsumme | empty sum |
| Autonummer | license plate number |
| Luftnummer | flop washout |
| nullter | zeroth |
| Nullbudget | balanced budget |
| Nullleiter | neutral neutral conductor |
| Nullrunde | wage freeze |
| Nullum | nothing |
| Mülleimer | garbage can trash can rubbish bin |
| Pullunder | sleeveless sweater sweatervest |
| Atomnummer | atomic number |
| Flugnummer | flight number |
| PIN-Nummer | PIN |
| E-Nummer | E number |
| Hausnummer | house number ballpark figure |
| Lachnummer | laughing stock |
| Nummer | number |
| Schlummer | slumber |
| Knüller | blockbuster thriller |