| Kostenart | cost element |
| Kosename | pet name term of endearment |
| Kosewort | term of endearment |
| Kosmonaut | cosmonaut |
| Kosten | cost charges expenses fees damage |
| kosten | cost take get a taste of taste try enjoy |
| kostbar | precious valuable |
| kostenfrei | cost-free free of cost |
| kostenlos | free gratuitous free of charge |
| Kassenwart | treasurer |
| Kosekans | cosecant |
| Koseform | affectionate form familiar form |
| Kosovare | Kosovan |
| Kostenpunkt | cost item matter of expense |
| kosen | cherish |
| Apostelamt | apostleship |
| Ostende | Ostend |
| Ostinato | ostinato |
| Ostmark | ostmark |
| Posten | assignment amount buckshot |
| posten | post |