| Sepalum | sepal |
| Septum | septum |
| Separee | snug private room |
| separat | separate |
| Nepal | Nepal |
| Nepali | Nepalese Nepali |
| Napalm | napalm |
| Spalt | break crack |
| Spalte | crevasse cleft crack crevice fissure column segment hole |
| Salut | salute |
| Slum | slum |
| Spekulum | speculum |
| Säkulum | century |
| Sepharde | Sephardi |
| Sepoy | sepoy |
| Septagon | septagon |
| Septe | septum |
| Septime | seventh |
| Sephardi | Sephardi |
| Seppuku | seppuku |