| Arteriosklerose | arteriosclerosis |
| Lateralsklerose | lateral sclerosis |
| Myosklerose | myosclerosis |
| Arbeitslose | unemployed person |
| Arthroskopie | arthroscopy |
| Artillerie | artillery |
| Artillerist | artilleryman artillerist |
| Asteriskus | asterisk star |
| Bakteriologe | bacteriologist |
| Bakteriolyse | bacteriolysis |
| Bakteriostase | bacteriostasis |
| Sklerose | sclerosis |
| Ordensklerus | regular clergy |
| Arbeitshose | work pants work trousers |
| Arbeitsloser | unemployed person |
| Arte Povera | Arte Povera |
| Arte povera | poor art |
| Artepitheton | specific epithet |
| Gartenkresse | garden cress |
| Artensterben | species extinction |