| Brieffreund | pen pal penfriend |
| Brieffreundin | pen pal penfriend |
| Busenfreund | bosom buddy bosom friend |
| Briefchen | banknote |
| briefen | brief |
| treffend | appropriate pertinent |
| Blutsfreund | blood relation |
| Bücherfreund | bibliophile |
| Fickfreund | fuck buddy |
| Judenfreund | jewlover |
| Sexfreund | friend with benefits |
| Baumfreund | philodendron |
| Weinfreund | wine lover |
| vibrierend | vibrant |
| Briefbogen | letter sheet |
| Briefbotin | letter carrier |
| Briefstück | piece of cover |
| Brieftaube | carrier pigeon homing pigeon homer racing homer racing pigeon |
| Briefträger | postman mail carrier mailman letter carrier postal carrier |
| kriegführend | belligerent |