| Brutkastenlüge | Nayirah’s testimony |
| Brutkasten | incubator |
| Brotkasten | breadbox bread bin |
| Bruchstelle | breaking point |
| Baukasten | building blocks |
| Bugkastell | forecastle |
| Druckstelle | bruise |
| Brutstätte | hotbed |
| Brückentag | long weekend bridge |
| Brückenwaage | weighbridge |
| brunsten | rut |
| Brüstung | parapet |
| brüsten | boast brag gloat |
| Gruftkapelle | vault chapel |
| Nistkasten | birdhouse |
| Postkasten | collection box drop box letter box mailbox postbox letterbox mail slot |
| Briefkastenonkel | advice columnist |
| Briefkastentante | advice columnist |
| Spülkasten | cistern |
| Bierkasten | beer crate crate of beer |