| Azoikum | Archaean Archean Azoic |
| azoisch | Archaean Archean azoic |
| Känozoikum | Cenozoic Cenozoic Era |
| Baltikum | Baltic states Baltic countries |
| Hadaikum | Hadean |
| Toxikum | toxic |
| Unikum | original |
| Lokum | Turkish delight |
| Borkum | Borkum |
| Azol | azole |
| Azoren | Azores |
| Bazooka | bazooka |
| azonal | azonal |
| Mesozoikum | Mesozoic |
| Paläozoikum | Paleozoic Palaeozoic palaeozoic era paleozoic era |
| Stoiker | Stoic |
| Troika | troika |
| Epikur | Epicurus |
| Nikud | nikud |
| Anabolikum | anabolic |