| Italiano | • | Sardu |
| w / W sf/m | • | |
| wafer sm | • | vafer (wafer) |
| web sm ag | • | arretza |
| weekend / week-end sm | • | coexida, cabudexida |
| western ag sm | • | |
| whisky sm | • | uischi (whisky) |
| würstel sm | • | vuster (würstel) |
| • | ||
| x / X sf/m | • | |
| • | ||
| y / Y sf/m | • | |
| yacht sm | • | |
| yoga sm | • | |
| yogurt / yoghurt sm | • |
