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| تذبذب | |||
| حركة دورية ؛حركة متذبذبة ؛تقلب دورى | |||
| oscillation: 32 phrases in 11 subjects |
| Electric motors | 2 |
| Electronics | 9 |
| Mathematics | 8 |
| Oceanography & oceanology | 4 |
| Piezoelectric crystals | 1 |
| Power lines | 1 |
| Radio | 1 |
| Radiology | 1 |
| Statistics | 3 |
| United Nations | 1 |
| Water resources | 1 |