| Butanon | butanone methyl ethyl ketone |
| Butanol | butanol |
| Butan | butane |
| Butanal | Butyraldehyde |
| Button | badge button |
| Butylen | butylene |
| Bütten | Butten |
| 1-Butanol | n-butanol |
| Butangas | butane butane gas |
| Buten | butylene |
| buten | in front of outside |
| Butzen | core |
| buttern | churn butter |
| Brutalo | bruiser |
| Mutantin | mutant |
| Sutane | cassock |
| Bhutan | Bhutan |
| Bhutaner | Bhutanese |
| Mutagen | mutagen |
| mutagen | mutagenic |