| Briefkastenonkel | advice columnist |
| Briefkastentante | advice columnist |
| Briefkasten | mailbox postbox collection box drop box letter box letter-box |
| Briefkastenfirma | shell corporation |
| Briefmarkenkunde | philately |
| Briefzusteller | letter carrier |
| Bierkasten | beer crate crate of beer |
| Brutkastenlüge | Nayirah’s testimony |
| Patenonkel | godfather |
| Briefklemmer | bulldog clip |
| Briefmarkenfalz | stamp hinge |
| Briefstreicher | bonefolder |
| Brieftaubensport | pigeon racing |
| Briefzustellerin | letter carrier |
| Briefmarke | stamp postage stamp |
| Briefmarkenalbum | stamp album |
| Briefstück | piece of cover |
| Brieftasche | wallet |
| Briefwechsel | correspondence |
| Riesenotter | giant otter |