| 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 |
| sereser | Sereser | 3 |
| sereth | Sereth | 1 |
| sergius | Sergius | 2 |
| sericum | silk | 4 |
| sermo | speech, saying | 766 |
| sermocinatio | conversation, disputation | 1 |
| sermocinor | to talk, converse | 2 |
| sero | to sow, plant; late, at a late hour | 23 |
| seron | Seron | 2 |
| seror | Seror | 1 |
| serotinus | late, late in coming | 16 |
| serpens | snake, serpent | 62 |
| serpo | to creep, crawl | 3 |
| serra | saw | 2 |
| serro | to saw, to saw up | 3 |
| sertum | garland, wreath | 1 |
| serug | Serug | 1 |
| serva | female slave | 2 |
| servator | preserver, deliverer | 1 |
| servilis | servile, slavish | 14 |