| Bastion | bastion |
| Bastian | Bastian |
| Baskin | Basque |
| Bastern | bastard sugar |
| Bassin | pool basin |
| basteln | tinker do handicrafts |
| Gästin | visitor |
| -ation | -ation |
| Action | action |
| Aktion | action operation promotion campaign |
| Kation | cation |
| Kaution | bail deposit |
| Nation | nation |
| Ration | ration |
| Läsion | lesion |
| Passion | passion |
| BASIC | BASIC |
| Bashing | bashing |
| Basil | Basil |
| Basionym | basionym basinym |