| Postkasten | collection box drop box letter box mailbox postbox letterbox mail slot |
| Postkarte | postcard |
| Nistkasten | birdhouse |
| Ostasien | East Asia Eastern Asia |
| Ostküste | east coast |
| Brotkasten | breadbox bread bin |
| Brutkasten | incubator |
| Formkasten | flask |
| Eiskasten | freezer fridge |
| Hohlkasten | box girder |
| Poetaster | poetaster |
| podcasten | podcast |
| Apostatin | apostate |
| Postbotin | letter carrier |
| Posten | assignment amount buckshot |
| posten | post |
| Postmann | mailman |
| Posttaube | homing pigeon |
| postpartal | postnatal |
| Apostasie | apostasy |