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| English thesaurus | |||
| |||
| RSA | |||
|
Rock : 172 phrases in 17 subjects |
| Agriculture | 14 |
| Botany | 7 |
| Chemical fibers | 1 |
| Construction | 6 |
| Economics | 5 |
| Environment | 3 |
| Fish farming pisciculture | 4 |
| Forestry | 2 |
| General | 1 |
| Geology | 2 |
| Ichthyology | 29 |
| Medical | 1 |
| Oil / petroleum | 54 |
| Soil science | 35 |
| Technology | 1 |
| United Nations | 2 |
| Water resources | 5 |