| Flutkatastrophe | flood disaster |
| Eukatastrophe | eucatastrophe |
| Katastrophe | catastrophe calamity disaster |
| Klimakatastrophe | climate disaster |
| Naturkatastrophe | natural disaster |
| Katastrophen- | catastrophic |
| katastrophal | disastrous |
| Anastrophe | anastrophe |
| Fluchtstange | range pole |
| Flugasche | fly ash |
| Flusskontrolle | flow control |
| Fluchtauto | getaway car |
| Fluktuation | fluctuation |
| Blutfarbstoff | hemoglobin |
| Blutstrom | bloodstream |
| Blutwäsche | hemodialysis |
| Blutkonserve | stored blood |
| blutüberströmt | blood soaked |
| Katatonie | catatonia |
| Alt-Taste | alt key |