| Briefmarkenkunde | philately |
| Briefmarkenfalz | stamp hinge |
| Briefmarkenalbum | stamp album |
| Briefkastentante | advice columnist |
| Briefmarkenautomat | vendor |
| Brieffreund | pen pal penfriend |
| Briefmarke | stamp postage stamp |
| Briefmarkensammler | stamp collector |
| Briefkastenonkel | advice columnist |
| Brieffreundin | pen pal penfriend |
| Briefmarkensammlung | stamp collection |
| Bakterienkunde | bacteriology |
| Riemenzunge | strap-end lizard orchid |
| Birkenrinde | birchbark |
| Fahnenkunde | vexillology |
| Flaggenkunde | vexillology |
| Nervenkunde | neurology |
| Pflanzenkunde | botany |
| Rechenkunde | arithmetic |
| Rassenkunde | study of race |