| Acetanhydrid | acetic anhydride |
| Acetanilid | acetanilide |
| Acetamid | acetamide |
| Acetonitril | acetonitrile |
| Acetonurie | acetonuria |
| Acetylchlorid | acetyl chloride |
| Anhydrit | anhydrite |
| Methanhydrat | methane clathrate methane hydrate methane ice |
| Achlorhydrie | achlorhydria |
| Alexandria | Alexandria |
| Alexandrit | alexandrite |
| Acetaldehyd | acetaldehyde |
| Acetonämie | acetonemia acetonaemia |
| Azetamid | acetamide |
| Metaphorik | imagery |
| Metaphysik | metaphysics |
| Metatheria | Metatheria |
| anständig | decent proper honest |
| Enhydros | enhydros |
| Ninhydrin | ninhydrin |