| Acheiropoieton | Acheiropoieta |
| Acheirie | acheiria |
| Acheilie | liplessness |
| acherontisch | Acherontic |
| Acheron | Acheron |
| Achroit | achroite |
| Achromatin | achromatin |
| Achromie | achromia |
| Achterknoten | figure-eight knot figure-of-eight knot |
| Chiropraktik | chiropractic |
| Schröpfen | cupping |
| schröpfen | gouge |
| Ametropie | ametropia |
| Appropriation | appropriation appropriation art |
| anthropogen | anthropogenic human-caused man-made |
| atrophieren | atrophy |
| Anerbieten | offer tender |
| Aprosdoketon | aprosdoketon |
| Azetophenon | acetophenone |
| Achtelpetit | American |