 |
| English thesaurus | |||
| |||
| RTA (MichaelBurov) | |||
| Rio: 56 phrases in 12 subjects |
| Amphibians and reptiles | 2 |
| Economy | 2 |
| Environment | 15 |
| Forestry | 2 |
| General | 15 |
| Ichthyology | 2 |
| Life sciences | 1 |
| Medical | 7 |
| Natural resourses and wildlife conservation | 1 |
| Obsolete / dated | 1 |
| Ornithology | 6 |
| Zoology | 2 |