| Subject | Danish | Portuguese |
| med., chem. | 2,3,7,8-tetrachlorodibenzo-p-dioxin | 2,3,7,8-tetraclorodibenzo-para-dioxina |
| med., chem. | 2,3,7,8-tetrachlorodibenzo-p-dioxin | 2,3,7,8-tetraclorodibenzo-p-dioxina |
| med., chem. | 2,3,7,8-tetrachlor-para-dibenzodioxin | 2,3,7,8-tetraclorodibenzo-para-dioxina |
| med., chem. | 2,3,7,8-tetrachlor-para-dibenzodioxin | 2,3,7,8-tetraclorodibenzo-p-dioxina |
