| Weltformel | theory of everything |
| Weltbürger | cosmopolite |
| Welterbe | World Heritage Site |
| weltfremd | unworldly |
| weltoffen | broad-minded |
| Weltkarte | world map |
| Weltkrieg | world war |
| Metformin | metformin |
| Zeitform | tense |
| Reformer | reformer |
| Zahnformel | dental notation |
| Formel | formula |
| Welfe | Guelph |
| Wellenform | waveform |
| Weltende | end of the world |
| Welteninsel | galaxy |
| Weltlinie | world line |
| Weltall | universe |
| Weltalter | eon |
| Weltenraum | space |