| Baugruppe | assembly board module |
| Baumgruppe | arbor |
| Baugrube | building pit construction pit |
| Blutgruppe | blood type blood group |
| Azogruppe | azo group |
| Gruppe | group unit |
| Halbgruppe | semigroup |
| OH-Gruppe | hydroxy hydroxyl group |
| Randgruppe | fringe group |
| Baumralle | New Guinea flightless rail |
| Baugerüst | scaffolding |
| Baumgraph | tree diagram tree-graph |
| Baumgrenze | tree line timber limit timber line tree limit |
| Baumrinde | bark |
| Baureihe | series |
| Bausünde | eyesore |
| Auguste | Augusta |
| blaugrün | blue-green teal |
| zugrunde | destroyed |
| Fokusgruppe | focus group |