| unbrennbar | incombustible |
| untrennbar | inseparable |
| unbrechbar | uncrackable |
| brennbar | combustible flammable |
| unerkennbar | unrecognizable |
| unbeugbar | indeclinable |
| unverbrennbar | incombustible |
| verbrennbar | combustible |
| trennbar | separable |
| unverkennbar | distinctive unmistakable |
| unvereinbar | incompatible incombinable |
| undenkbar | unthinkable |
| untrinkbar | undrinkable |
| unabwendbar | inevitable |
| unbenutzbar | unusable |
| unbewegbar | inanimate |
| unbrauchbar | bogus unusable |
| Braunbär | brown bear |
| Unbiennium | unbiennium |
| unbeirrbar | undeviating |