| Kilojoule | kilojoule |
| Kilobyte | kilobyte |
| Kojote | coyote |
| Megajoule | megajoule |
| Joule | joule |
| Kilokalorie | kilocalorie |
| kilo- | kilo- |
| Kilo- | kilo- |
| Kildare | Kildare |
| Killer | killer hitman |
| Kilo | kilo |
| Kilogramm | kilogram kilogramme |
| Kilometer | kilometer kilometre |
| Kiloparsec | kiloparsec |
| Kilowatt | kilowatt |
| killen | kill |
| Lilongwe | Lilongwe |
| Philologe | philologist |
| Philologie | philology |
| Pilotfilm | television pilot |