| blutrot | crimson |
| Bluetooth | Bluetooth |
| Blutruf | blood curse |
| Bluttat | bloody deed |
| blutt | broke |
| Blu-ray | Blu-ray |
| Blutstrom | bloodstream |
| blutarm | bloodless |
| Ablution | ablution |
| Blunt | blunt |
| Blut | blood |
| Blutarmut | anaemia |
| Blutbad | bloodbath massacre carnage |
| Blutdurst | bloodthirstiness |
| Bluter | haemophiliac hemophiliac bleeder |
| Blutmond | blood moon |
| Blutprobe | blood sample blood test |
| Blutspat | blood spavin |
| Bluttest | blood test |
| Blutung | bleeding haemorrhage |