| Butangas | butane butane gas |
| Butanal | Butyraldehyde |
| Butanol | butanol |
| Butan | butane |
| Butanon | butanone methyl ethyl ketone |
| Katanga | Katanga |
| Tanga | thong tanga |
| Methangas | methane methane gas |
| Burgas | Burgas |
| Autoabgas | car exhaust |
| Butansäure | butanoic acid |
| Buten | butylene |
| buten | in front of outside |
| Butyrat | butyrate |
| Mutantin | mutant |
| Sutane | cassock |
| Bhutan | Bhutan |
| Bhutaner | Bhutanese |
| Cutaway | cutaway |
| Mutagen | mutagen |
| mutagen | mutagenic |