| Blutrache | vendetta blood feud |
| Bluträcher | blood avenger |
| Blutlache | pool of blood puddle of blood |
| Blutwäsche | hemodialysis |
| Blütenachse | receptacle |
| Blutbahn | circulatory system |
| Blutkuchen | blood clot |
| Blutorange | blood orange |
| Blutrausch | bloodlust murderous frenzy |
| Blauracke | European roller |
| Brache | fallow fallow ground fallow land ploughed land plowed land urban waste waste land |
| Bursche | boy |
| Blu-ray | Blu-ray |
| Blutfehde | vendetta |
| Blutsauger | gadfly vampire sucker bloodsucker |
| Blutsbande | blood |
| Blücher | blucher |
| blutarm | bloodless |
| Bluetooth | Bluetooth |
| Blutbad | bloodbath massacre carnage |