| exogam | exogamous |
| Exogamie | exogamy |
| Exonym | exonym xenonym |
| exogen | exogenous |
| endogam | endogamous |
| Exot | exotic |
| Exotik | exoticism |
| Exodus | Exodus Book of Exodus |
| Exokarp | epicarp |
| Exon | exon |
| Hogan | hogan |
| Apogäum | apogee |
| Biogas | biogas fermentation gas landfill gas |
| Neogäa | Neogaea Neogea |
| Slogan | slogan |
| Toga | toga |
| Yoga | yoga |
| autogam | autogamous |
| monogam | monogamous |
| sogar | even including up to |