 |
| English thesaurus | |||
| |||
| OB | |||
| Oh: 44 phrases in 12 subjects |
| Agriculture | 2 |
| Artificial intelligence | 1 |
| Chemistry | 1 |
| Computer networks | 1 |
| Cryptography | 1 |
| Ecology | 1 |
| General | 27 |
| Geography | 5 |
| Outdoor activities and extreme sports | 1 |
| Pharmacology | 2 |
| Technology | 1 |
| Telecommunications | 1 |