| Katalanin | Catalan |
| Katalane | Catalan |
| Katalonien | Catalonia |
| Kaplanin | chaplain |
| Katarerin | Qatari |
| Kätzlein | kitten |
| Katakana | katakana |
| Katalanisch | Catalan |
| katalanisch | Catalan |
| Katamaran | catamaran |
| Katatonie | catatonia |
| Betalain | betalain |
| Alanin | alanine |
| Katanga | Katanga |
| Katharerin | Cathar |
| Katholikin | Roman Catholic Catholic |
| Katholin | papist |
| Kätzli | kitten |
| Katafalk | catafalque |
| Katalepsie | catalepsy |