| toter Briefkasten | dead drop dead letter box dead letter drop dead mail drop dead-drop |
| der tote Briefkasten | drop |
| Postbriefkasten | letterbox |
| lebender Briefkasten | live drop live letter box live letter drop live mail drop |
| Hausbriefkasten | letterbox |
| Briefkasten | mailbox postbox collection box drop box letter box letter-box |
| Rote Brigaden | Red Brigades |
| Roter Riese | red giant |
| toter Winkel | blind spot |
| roter Faden | common theme common thread golden thread thread |
| unter vier Augen | face to face |
| Hoherpriester | high priest |
| unterbieten | undercut |
| Sonderbriefmarke | commemorative stamp |
| verbriefen | document guarantee |
| Bierkasten | beer crate crate of beer |
| Getränkekasten | beverage case bottle crate |
| Leierkasten | barrel organ |
| Verbandkasten | first aid kit |
| Verbandskasten | first aid kit |