| Strigidae | True owl |
| Strigiformes | Owl |
| striglia | curry comb |
| Strigolniki | Strigolniki |
| strike | strike |
| strillare | squeal |
| strilli | shouting |
| strillo | scream |
| striminzito | miserable |
| Strimone | Struma River |
| strimpellare | strum |
| strinare | singe |
| strinatura | scorch |
| stringa | string |
| stringato | condensed |
| stringere | tighten |
| stringere forte | squeeze tightly |
| stringere i cordoni della borsa | tighten the purse strings |
| stringere i denti | grit one's teeth |
| stringere la mano | shake hands |
| stringere le spalle | shrug |
