| Koseform | affectionate form familiar form |
| Kosewort | term of endearment |
| konform | compliant conformable |
| Reform | reform |
| Gussform | mold |
| Kastenform | tin |
| Kurzform | abbreviation abridgement |
| Passform | fit |
| Vorform | antecedent |
| Komfort | comfort |
| Kosekans | cosecant |
| Kosel | pig |
| Kosmodrom | cosmodrome |
| Kosename | pet name term of endearment |
| Kosmos | cosmos |
| Kosovare | Kosovan |
| Kosovo | Kosovo |
| Kosrae | Kosrae Kusaie |
| Kostenart | cost element |
| Kostüm | suit costume fancy dress |