| Signalmast | semaphore signal mast signal post |
| Signalbild | signal aspect |
| Signalhund | hearing dog |
| Signalposten | signpost |
| Signal | signal |
| Signalhorn | alarm |
| Signallampe | signal lamp |
| Signifiant | signifier |
| Finalist | finalist |
| Sendemast | mast |
| sinngemäß | analogous correspondent rough summary logical |
| Windlast | wind load |
| Signalflagge | pennant |
| Signalkrebs | signal crayfish |
| Signalpfosten | signpost |
| Signalpistole | flare gun |
| Signum | insignia |
| Sigrist | sexton |
| Sigma | sigma |
| Signatur | signature signatory |