| Archiater | archiater |
| Archaeen | archaeon |
| Archipel | archipelago |
| Architekt | architect building designer |
| Archivale | archival object archival record archive document |
| Archivar | archivist |
| Orchester | orchestra |
| Psychiater | psychiatrist shrink |
| Eichkater | squirrel |
| achaten | agate |
| Achter | eight eighth |
| achter | aft |
| Arbeiter | worker workman |
| Arbiter | arbitrator |
| Archibald | Archibald |
| Archivarin | archivist |
| Archaeon | archaeon |
| Arche | ark |
| Archetyp | archetype |
| Archilexem | archilexeme |