| Arkussinus | arcsine |
| Arkuskosinus | arccosine |
| Prußin | Old Prussian |
| Reussin | Russian |
| Reußin | Russian |
| Russine | Rusyn |
| Russinin | Rusyn |
| Russismus | Russianism |
| Preußin | Prussian |
| Russin | Russian |
| Kosinus | cosine |
| Crispinus | Crispin |
| Justinus | Justin |
| Arkus | arc |
| Arkansas | Arkansas |
| Arkanum | arcana arcanum |
| Arktis | Arctic |
| Sarkasmus | sarcasm |
| Perkussion | percussion |
| Akustiker | acoustician |