| English thesaurus | |||
| |||
| O/C | |||
| |||
| OC | |||
|
Observer : 89 phrases in 26 subjects |
| Agriculture | 2 |
| Astronomy | 1 |
| Automatic control | 1 |
| Communications | 3 |
| Construction | 1 |
| Electronics | 1 |
| Finances | 1 |
| Fish farming pisciculture | 3 |
| General | 15 |
| Human rights activism | 10 |
| Information technology | 1 |
| International trade | 2 |
| Latin American | 1 |
| Law | 4 |
| Life sciences | 5 |
| Lighting other than cinema | 3 |
| Mathematics | 1 |
| Measuring instruments | 1 |
| Medical | 6 |
| Pharmacy and pharmacology | 2 |
| Politics | 1 |
| Social science | 1 |
| Statistics | 1 |
| Technology | 4 |
| Transport | 3 |
| United Nations | 15 |