| Klimaskeptiker | climate sceptic |
| Klimaskeptikerin | climate sceptic |
| EU-Skeptiker | Eurosceptic |
| Skeptiker | skeptic |
| Euroskeptiker | Euro-sceptic |
| Klimastreik | climate strike |
| Klistier | enema |
| Onomastiker | onomastician |
| Musketier | musketeer |
| Epileptiker | epileptic |
| Diabetiker | diabetic |
| Kosmetiker | cosmetician |
| Klassiker | classic |
| Kliniker | clinician |
| Klinometer | clinometer |
| Klippspringer | klipspringer |
| Klimaforscher | climatologist |
| Klimagipfel | climate summit |
| Klimahysterie | climate hysteria |
| Klimaschutz | climate change mitigation |