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| English thesaurus | |||
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| RDS | |||
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Robust : 28 phrases in 15 subjects |
| Automatic control | 1 |
| Aviation | 1 |
| Chemistry | 1 |
| Communications | 1 |
| Economics | 2 |
| Environment | 1 |
| General | 5 |
| Health care | 1 |
| Ichthyology | 5 |
| Information technology | 1 |
| Mathematics | 3 |
| Ornithology | 1 |
| Statistics | 2 |
| Taxes | 1 |
| United Nations | 2 |