| Belüftung | aeration oxygenation |
| belüften | aerate ventilate |
| Belastung | burden strain |
| Lüftung | ventilation |
| Blutung | bleeding haemorrhage |
| Berufung | vocation calling reference appeal appointment |
| Belebung | animation |
| Belichtung | exposure |
| Belüfter | aerator |
| belüftet | airy |
| Belehrung | instruction |
| Beleuchtung | lighting |
| Belohnung | reward recompense |
| Belustigung | amusement disport merriment merrymaking |
| Entlüftung | ventilation deaeration |
| Querlüftung | cross ventilation transverse ventilation |
| Bebrütung | incubation |
| Begattung | copulation mating |
| Bettung | ballast |
| Geltung | prestige promote |