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| English thesaurus | |||
| |||
| PB | |||
| Powerful: 60 phrases in 14 subjects |
| Agriculture | 4 |
| Automobiles | 1 |
| Engines | 2 |
| General | 25 |
| High energy physics | 3 |
| Informal | 1 |
| Mathematics | 9 |
| Microelectronics | 2 |
| Optics branch of physics | 3 |
| Ornithology | 2 |
| Physics | 1 |
| Sports | 1 |
| Statistics | 5 |
| Technology | 1 |