| Blackout | blackout |
| Blackfoot | Blackfoot |
| Blackbox | black box |
| Blankett | blank form |
| Lackmus | litmus |
| Bracket | bracket |
| Sackbut | sackbut |
| Backup | backup |
| Layout | layout |
| Blanka | Blanche |
| Blasform | blow mould |
| Blasloch | air hole |
| Blastom | blastoma |
| Blaubart | Bluebeard |
| Blähton | exclay |
| Bläue | blueness |
| blasto- | blasto- |
| Ablaut | ablaut |
| Blackjack | blackjack black jack |
| Blank | blank |
| blank | shiny bare sheer broke skint |