| Schmalbandfilter | narrow-band filter narrow-band-pass filter |
| Schlafwandler | sleepwalker |
| Breitbandfilter | broadband filter |
| Schalentier | crustacean |
| Schelladler | greater spotted eagle |
| Schildhalter | supporter |
| Schraubendreher | screwdriver |
| Schwarzarbeiter | moonlighter |
| schaltungsintern | in-circuit |
| Schraubenfeder | coil spring helical spring |
| Schraubenmutter | nut female screw nut-screw screw nut |
| Schraubenzieher | screwdriver |
| Schamaiten | Samogitia |
| Schattenfigur | shadow puppet |
| Schatzkanzler | Chancellor of the Exchequer |
| Schiläufer | skier |
| Schlachter | butcher |
| Schlächter | slaughterer |
| Schlafmittel | sleeping pill |
| Schlagader | artery |