| Lichtdouble | stand in |
| Lichtpause | blueprint |
| Lichtstunde | light-hour |
| Lichtwelle | light wave |
| Lichthupe | headlight flasher |
| Lichtquelle | light source |
| Lachtaube | ringneck dove |
| Lichtbild | photograph |
| Lichtkuppel | top light |
| Lichtmenge | luminous energy |
| Lichtsegel | light sail |
| lichtdicht | light-tight |
| lichte Höhe | headway |
| lichthupen | blink |
| Lichtbogen | electric arc arc |
| Lichtkegel | light cone |
| Lichtquant | light quantum |
| Lichtsekunde | light-second |
| Lichtstärke | luminous intensity |
| Lichtung | clearing glade |