| Butterfass | churn |
| Butterfly | balisong |
| Butterdose | butter dish |
| Butterkeks | leibniz-keks |
| Mutterhaus | parent company |
| Bittersüß | bittersweet |
| bittersüß | bittersweet |
| Bierfass | beer barrel |
| Pulverfass | powder keg tinderbox |
| Blutgefäß | blood vessel |
| Buttersalat | Boston lettuce |
| Bütterken | butterbrot |
| Butter | butter |
| Butterbrot | sandwich bread and butter buttershag |
| Buttermesser | butter knife |
| Butterpilz | boleus luteus |
| Buttersäure | butyric acid |
| buttern | churn butter |
| Futtersaft | royal jelly |
| Muttername | matronymic |