| iatrogen | iatrogenic |
| Iatrogenese | iatrogenesis |
| iatrogenisch | iatrogenic |
| Östrogen | estrogen oestrogen œstrogen |
| pathogen | pathogenic |
| Atropin | atropine |
| Matrone | dame |
| Matrose | sailor seaman |
| Natron | baking soda |
| Patron | patron |
| Patrone | cartridge ink cartridge ink-jet cartridge |
| Intron | intron |
| Tropen | tropics |
| strohen | strawen |
| strömen | stream |
| Hydrogen | hydrogen |
| Aerogel | aerogel |
| Androgen | androgen |
| androgen | androgen |
| Kerogen | kerogen |