| Skolius | amphibrach |
| Skoliose | scoliosis |
| Solidus | solidus |
| Sozius | pillion |
| Skorbut | scurvy |
| Kolik | colic |
| Koloss | colossus |
| Nikolaus | Saint Nicholas Santa Claus Nicholas Nickolas Nikolas Niccolas Nichalas Nichelas |
| Polis | polis |
| Solist | soloist |
| Spolien | spolia |
| solide | robust well founded respectable |
| Atilius | Atilius |
| Duilius | Duilius |
| Filius | junior son |
| Julius | Julius |
| Kalium | potassium |
| Sirius | Sirius |
| Nonius | vernier |
| -skopie | -scopy |