| Subject | German | Spanish |
| chem. | Butadien-1,3 | butadieno-1,3 |
| chem. | 1,3-Butadien | 1,3-butadieno |
| chem. | 1,3-Butadien | eritreno |
| chem. | 1,3-Butadien | butadieno-1,3 |
| chem. | 1,3-Butadien | divinilo |
| chem. | Butadien-1,3 | eritreno |
| chem. | Butadien-1,3 | divinilo |
| chem. | 2-Chlor-1,3-butadien | 2-Cloro-1,3-butadieno |
| chem. | 2-Methyl-1,3-butadien | isopreno |
