| Butylen | butylene |
| Bütten | Butten |
| Buten | butylene |
| buten | in front of outside |
| Butler | butler |
| Butyl | butyl |
| Butzen | core |
| Bullen | heat |
| buhlen | court suck up woo have a love affair |
| Butan | butane |
| Butanon | butanone methyl ethyl ketone |
| Butter | butter |
| Button | badge button |
| Butyrat | butyrate |
| Büttel | bailiff beadle |
| buttern | churn butter |
| Azetylen | acetylene |
| Acetylen | acetylene |
| aufstylen | sex up |
| Xylen | xylene |