| Spermium | spermatozoon |
| Fermium | fermium |
| Spektrum | spectrum |
| Spekulum | speculum |
| Sperling | sparrow |
| Sperma | sperm semen |
| sperrig | bulky unwieldy |
| Imperium | empire imperium |
| Freemium | freemium |
| Gremium | board body committee caucus panel |
| premium | premium |
| Pentium | Pentium |
| Erbium | erbium |
| Senium | senium |
| Terbium | terbium |
| Aspergill | aspergillum |
| Species | species |
| Hesperidium | hesperidium |
| Speedrun | speedrun |
| Speil | splinter |