| Katastrophen- | catastrophic |
| Katastrophe | catastrophe calamity disaster |
| katastrophal | disastrous |
| Eukatastrophe | eucatastrophe |
| Katastrophenfilm | disaster movie |
| Anastrophe | anastrophe |
| Katastrophenalarm | red alert |
| Flutkatastrophe | flood disaster |
| Katalonien | Catalonia |
| Kataster | land register cadastre |
| Katastrophenschutz | civil protection disaster control emergency management |
| Katatonie | catatonia |
| kastrieren | fix castrate |
| Apastron | apastron |
| Gazastreifen | Gaza Strip |
| Kästchen | ballot box box small box small chest |
| Ausströmen | emanation |
| Dystrophin | dystrophin |
| Apostroph | apostrophe |
| Strophe | stanza stave |