| Blutlache | pool of blood puddle of blood |
| Blutrache | vendetta blood feud |
| Bluträcher | blood avenger |
| Blutwäsche | hemodialysis |
| Blütenachse | receptacle |
| Blutbahn | circulatory system |
| Blutkuchen | blood clot |
| Flutlicht | floodlight |
| Bildfläche | screen scene |
| Blattfläche | foliage area leaf lamina |
| Blutfehde | vendetta |
| Blutplasma | blood plasma |
| Blutsauger | gadfly vampire sucker bloodsucker |
| Blutsbande | blood |
| Blücher | blucher |
| blutarm | bloodless |
| Bluetooth | Bluetooth |
| Blut lecken | taste blood |
| Blutbad | bloodbath massacre carnage |
| Blutbank | blood bank |