| Word | Etymon | 1st. doc. DCECH | 1st. doc. DiCCA-XV |
|---|---|---|---|
| San Sebastián1 | 1460 | ||
| San Saturnino | 1498 | ||
| San Samuel2 | 1498 | ||
| San Samuel1 | 1498 | ||
| San Salvador5 | 1498 | ||
| San Salvador4 | 1498 | ||
| San Salvador3 | 1498 | ||
| San Salvador2 | 1498 | ||
| San Salvador1 | 1417 | ||
| San Salvador de Reatina | 1498 | ||
| San Salvador de Leire | 1499 | ||
| San Salvador de Laterana | 1498 | ||
| San Sabba3 | 1498 | ||
| San Sabba2 | 1498 | ||
| San Sabba1 | 1498 | ||
| San Quiriaco | 1498 | ||
| San Quílez | 1498 | ||
| San Ponce de Tomeras | 1499 | ||
| San Pedro7 | 1498 | ||
| San Pedro6 | 1417 |