| Blaumeise | blue tit |
| Blaumerle | blue rock thrush |
| Blaumiese | blues |
| Bauweise | constructive form coverage type |
| Blaubeere | blueberry bilberry |
| Blaupause | blueprint |
| Flaumeiche | downy oak |
| Braumeister | brewmaster |
| Baumeister | builder |
| Bartmeise | bearded tit |
| Bergmeise | Caspian tit |
| Buntmeise | varied tit |
| Lasurmeise | azure tit |
| Ameise | ant pismire pallet jack |
| Blasdüse | tuyere |
| Blaufisch | bluefish |
| Blauzunge | blue-tongue lizard |
| Bläue | blueness |
| Blamage | disgrace |
| Blase | bladder blister bubble |