| Epoxid | epoxid |
| Epoetin | erythropoietin |
| Dioxid | dioxide |
| Oxid | oxide |
| Peroxid | peroxide |
| Eponym | eponym |
| Epopöe | epopee |
| Deponie | landfill |
| Epoche | epoch |
| Epos | epic |
| Hypoxie | hypoxia hypoxaemia oxygen deficiency oxygen depletion |
| Boroxid | boron oxide |
| Toxin | toxin |
| Dioxin | dioxin |
| Monoxid | monoxide |
| Suboxid | suboxide |
| Sepoy | sepoy |
| Depot | warehouse depot |
| Report | report |
| epochal | epochal |