| Seekrieg | naval warfare |
| Seekarte | nautical chart |
| Seeklima | marine climate oceanic climate |
| Seeweg | seaway |
| seekrank | seasick |
| Sekret | secretion |
| Sitzkrieg | Phoney War |
| Krieg | war |
| Sakrileg | sacrilege |
| Weltkrieg | world war |
| Serie | series |
| Seefeder | sea pen |
| Seeküste | seashore |
| Seeotter | sea otter |
| Seeuver | lakeshore |
| Seeadler | erne sea eagle white-tailed eagle white-tailed sea eagle grey sea eagle white-tailed sea-eagle |
| Seebeben | seaquake |
| Seegang | swell rough seas sea disturbance waves |
| Seegras | eelgrass seagrass seaweed |
| Seegurke | sea cucumber |