| Alluvium | Holocene |
| Callovium | Callovian |
| Kolluvium | colluvium |
| Allusion | allusion |
| Gallium | gallium |
| Palladium | palladium |
| Effluvium | effluvium |
| Aalenium | Aalenian |
| Allicin | allicin |
| Allonym | allonym |
| Hallraum | echo chamber |
| Allativ | allative case |
| Allgäu | Allgaeu |
| Allheit | totality |
| Allier | Allier |
| Allüre | affectations |
| Thallium | thallium |
| allein | alone |
| alleine | alone |
| allseits | everywhere |