| Archaismus | archaism |
| Anarchismus | anarchism |
| Archaikum | Archaean |
| archaisch | archaic obsolet |
| Manichäismus | Manichaeism |
| Mechanismus | mechanism |
| Bahaismus | Baha'i Baha'ism Bahai |
| Arabismus | Arabism |
| Arianismus | Arianism |
| Orphismus | Orphism |
| Atheismus | atheism |
| Faschismus | fascism |
| Schiismus | Shi'a Islam |
| Arcadius | Arcadius |
| Marcionismus | Marcionism |
| Minarchismus | minarchism |
| Monarchismus | monarchism |
| Panarchismus | panarchism |
| Archisemem | archisememe |
| Chartismus | Chartism |