| Aarskog-Syndrom | Aarskog’s syndrome |
| Aase-Syndrom | Aase syndrome |
| Impostor-Syndrom | impostor syndrome |
| Messie-Syndrom | hoarding |
| China-Syndrom | China syndrome |
| Down-Syndrom | Down syndrome |
| Möbius-Syndrom | Moebius syndrome |
| Tourette-Syndrom | Tourette syndrome |
| Undine-Syndrom | Ondine's curse |
| Asperger-Syndrom | Asperger Asperger's syndrome |
| Stockholm-Syndrom | Stockholm syndrome |
| Downsyndrom | Down syndrome Down's syndrome |
| Larsen-System | Larsen's Opening Queen's Fianchetto Opening |
| Stendhal-Syndrom | Stendhal syndrome |
| Reizdarmsyndrom | irritable bowel syndrome |
| Golfkriegssyndrom | gulf war syndrome |
| Syndrom | syndrome |
| Tourettesyndrom | Tourette syndrome |
| Kosmodrom | cosmodrome |
| Aerodrom | aerodrome |