| Bakkalaureat | baccalaureate A levels school leaving examination |
| Bakkalaureus | bachelor |
| Akkulaufzeit | battery service life |
| akkurat | precise accurate |
| Laureat | laureate |
| Baklava | baklava |
| Akkolade | accolade |
| Baikalsee | Lake Baikal |
| Kalamität | calamity |
| Kalauer | corny joke groaner |
| Kalaumes | balderdash eyewash idle chit-chat idle gossip idle talk jive |
| Kalumet | calumet peace pipe |
| Balalaika | balalaika |
| Backpflaume | prune |
| Sauklaue | scrawl scribble |
| Baktrer | Bactrian |
| Bakelit | Bakelite bakelite |
| Bakken | bakken ski jumping hill |
| Bakkie | bakkie pick-up pick-up truck platform lorry tilly ute |
| Bakteriurie | bacteriuria |