| English thesaurus | |||
| |||
| CTC | |||
|
cluster : 52 phrases in 13 subjects |
| Agriculture | 4 |
| Biology | 17 |
| Botany | 5 |
| Entomology | 6 |
| Food industry | 4 |
| Forestry | 2 |
| General | 4 |
| Medical | 1 |
| Natural resourses and wildlife conservation | 2 |
| Natural sciences | 4 |
| Pest control | 1 |
| Spices | 1 |
| Zoology | 1 |