| Word | Meaning | Occurrences |
|---|---|---|
| septimus | seventh | 149 |
| septimusdecimus | seventeenth | 3 |
| septingenti | seven hundred | 38 |
| septuagesimus | seventieth | 7 |
| septuagies | seventy times | 3 |
| septuaginta | seventy | 101 |
| septum | enclosure, precinct | 3 |
| septuplum | sevenfold | 6 |
| septuplus | sevenfold | 5 |
| sepulchrum | tomb, grave | 107 |
| sepultura | burial | 20 |
| sequens | following, next | 49 |
| sequester | mediator | 1 |
| sequestro | to remove | 1 |
| sequor | to follow | 374 |
| ser | Ser | 1 |
| sera | bar, bolt | 19 |
| seraphim | seraphim | 2 |
| serebia | Serebia | 4 |
| serenus | clear, fair | 4 |