| West-Nil-Virus | West Nile virus |
| West-Nil-Fieber | West Nile fever |
| HI-Virus | HIV |
| Antivirus | antivirus |
| Ebolavirus | Ebola virus |
| Mosaikvirus | mosaic |
| Wesentliche | gist |
| West-Berlin | West Berlin |
| West-Flandern | West Flanders |
| Westflämisch | West Flemish West Flamish |
| Westler | westerner |
| westslawisch | West Slavic |
| West Virginia | West Virginia |
| Westfriesisch | West Frisian |
| westfriesisch | West Frisian |
| Westfälin | Westphalian |
| Westfälisch | Westphalian dialect |
| westfälisch | Westphalian |
| Westindien | West Indies |
| Westjiddisch | Western Yiddish |