| Archipel | archipelago |
| Archaeen | archaeon |
| Archiater | archiater |
| Archibald | Archibald |
| Arche | ark |
| Architekt | architect building designer |
| Archiv | archive |
| Archivale | archival object archival record archive document |
| Archivar | archivist |
| Orchidee | orchid |
| Erysipel | erysipelas |
| Tripel | triple |
| Archon | archon |
| Bärchen | bear cub |
| Diarchie | diarchy |
| Eparchie | diocese |
| Anarchie | anarchy |
| Archaeon | archaeon |
| Archaikum | Archaean |
| Archetyp | archetype |