| Nullsumme | empty sum |
| Nullnummer | free first issue pilot issue |
| Nullrunde | wage freeze |
| Nullsummenspiel | zero-sum game |
| Nullum | nothing |
| Quersumme | digit sum |
| Nullmenge | null set |
| Nullpunkt | zero |
| Nullbudget | balanced budget |
| Nullstelle | zero |
| nullte | zeroth |
| Hüllkurve | envelope |
| Bullauge | porthole bull's eye |
| Prüfsumme | checksum |
| Kaufsumme | purchase price |
| Summe | sum |
| Lumme | guillemot |
| nullen | tare |
| nullter | zeroth |
| nulltes | zeroth |