| Arganöl | argan oil |
| Arganie | argan |
| Alkanol | alkanol |
| Äthanol | ethanol |
| Argo | Argo |
| Argali | argali |
| Arginin | arginine |
| Argon | argon |
| Argot | argot |
| arglos | innocent guileless naive unsuspecting |
| marginal | marginal |
| ergänzt | orgulous |
| Organ | organ |
| Organell | organelle |
| Organik | organic chemistry |
| Organza | organza |
| Abgang | descent retirement aftertaste |
| Oregano | oregano |
| Athanor | athanor |
| Butanol | butanol |