| Seung-Hui Cho | Cho Seung-Hui |
| Sevan | Sevansøen |
| Sevastopol | Sevastopol |
| seven | syv |
| Seven Bridges of Königsberg | Königsbergs syv broer |
| Seven Days Battles | Syv dages slaget |
| Seven dirty words | Syv beskidte ord |
| seven hundred and fifty | syvhundrede og halvtres |
| Seven Laws of Noah | Noah-lovene |
| Seven Sister States | De syv søstre |
| Seven Sisters | De syv søstre |
| Seven Summits | Seven Summits |
| Seven Wonders of the Ancient World | Verdens syv underværker |
| Seven Wonders of the World | Verdens syv underværker |
| Seven Years' War | Syvårskrigen |
| Sevenoaks | Sevenoaks |
| seventeen | sytten |
| seventh | syvende |
| Seventh Day Adventists | Syvende Dags Adventistkirken |
| Seventh-day Adventist Church | Syvende Dags Adventistkirken |
| seventy | halvfjerds |
| seventy-one | enoghalvfjerds |
| several times | undertiden |
| Severan dynasty | Severiske dynasti |
| Severan dynasty family tree | Severiske dynasti |
| Severe acute respiratory syndrome | SARS |
| Severnaya Zemlya | Severnaja Semlja |
| Severny Island | Nordøen |
| Severomorsk | Severomorsk |
| Severus | Valerius Severus |
| Severus Snape | Severus Snape |
| Sevilla | Sevilla |
| Sevilla FC | Sevilla FC |
| Seville | Sevilla |
| sew | sy |
| sewage farm | landbrug |
| Sewer alligator | Krokodiller i kloakken |
| sewing machine | symaskine |
| sex | køn |
| Sex and the City | Sex and the City |
| Sex and the law | Sexkriminalitet |
| sex appeal | sexappeal |
| Sex museum | Museum Erotica |
| Sex organ | Kønsorgan |
| Sex Pistols | Sex Pistols |
| sex position | samlejestilling |
| Sex-determination system | Kønskromosom |
| Sex-staved | Køn |
| Sexagenary cycle | Kinesisk astrologi |
| Sexcentenary | Jubilæum |
| Sexism | Kønsdiskrimination |
| Sexmission | Sexmissionen |
| sexology | sexologi |
| Sextans | Sekstanten |
| Sextans Dwarf Spheroidal | Sekstant |
| sextant | sekstant |
