| Lippenbekenntnis | lip service |
| Glaubensbekenntnis | statement of faith creed |
| Bekenntnis | confession |
| Spielkenntnis | knowledge of the game |
| Lippenlesen | lipreading |
| Anerkenntnis | acknowledgment |
| Erkenntnis | decision understanding judgement |
| Grundkenntnis | basic knowledge |
| Lippenblütler | labiate |
| Lippenherpes | cold sore |
| Kippelement | tipping element |
| Lappenente | musk duck |
| Farbe bekennen | to nail one's colours to the mast to pin one's colours to the mast |
| Sachkenntnis | know-how |
| Vorkenntnis | smattering |
| Kenntnis | knowledge cognizance acquaintance knowing |
| Menschenkenntnis | knowledge of human nature |
| Selbsterkenntnis | self-knowledge |
| Liebesverhältnis | affair |
| Längenverhältnis | aspect ratio |