| Butt-Plug | butt plug |
| Buttplug | butt plug |
| Büttel | bailiff beadle |
| Butanol | butanol |
| Butterblume | buttercup |
| Butterfly | balisong |
| Butylen | butylene |
| Bütten | Butten |
| Bütterken | butterbrot |
| Butanal | Butyraldehyde |
| Butler | butler |
| Butt | flounder |
| Butter | butter |
| Butterpilz | boleus luteus |
| Button | badge button |
| Butyl | butyl |
| buttern | churn butter |
| Kutteln | tripe |
| Mutterlauge | mother liquor |
| Muttertum | motherhood |