| Archiphonem | archiphoneme |
| Archilexem | archilexeme |
| Archipel | archipelago |
| Archisemem | archisememe |
| Archiater | archiater |
| Archon | archon |
| Archaeon | archaeon |
| Archimedes | Archimedes |
| Archivale | archival object archival record archive document |
| Archäologe | archaeologist archeologist |
| archivieren | archive |
| iPhone | iPhone |
| Aerophon | aerophone |
| Allophone | allophone |
| Allophoner | allophone |
| Phonem | phoneme |
| Chronem | chroneme |
| Archaeen | archaeon |
| Arche Noah | Noah's ark |
| Archibald | Archibald |