| English | Italian | Spanish | French | German |
|---|---|---|---|---|
| English | Italian | Spanish | French | German |
| sale | vendita | venta | vente | verkauf |
| set | serie | serie | série | satz |
| set (of stamps) | insieme | conjunto | ensemble | satz |
| sheet | foglio | hoja | feuille | bogen |
| sheet | foglietto | hoja bloque | bloc-feuillet | block |
| ship | nave | barco | navire | Schiff |
| shipment | spedizione | expedición | expédition | beförderung |
| sideway watermark | filigrana laterale | filigrana tumbada | filigrane couché | wasserzeichen liegend |
| similar | simile | parecido | analogue | ähnlich |
| size | formato | tamaño | format | format |
| society | società | sociedad | société | gesellschaft |
| special | speciale | especial | spécial | besondere |
| specimen | saggio | muestra | spécimen | muster |
| stain | macchia | mancha | tache | fleck |
| stamp album | album per francobolli | album para sellos | album de Timbres-Poste | Briefmarkenalbum |
| stockbook | classificatore | |||
| strip | striscia | tira | bande | streifen |
| surtax | soprattassa | sobretasa | surtaxe | zuschlag |