| English thesaurus | |||
| |||
| .pl (file name extension) | |||
|
Pearl : 106 phrases in 23 subjects |
| Agriculture | 7 |
| Botany | 3 |
| Chemistry | 6 |
| Earth sciences | 6 |
| Entomology | 1 |
| Fish farming pisciculture | 6 |
| Fishery fishing industry | 1 |
| Food industry | 3 |
| Forestry | 1 |
| General | 5 |
| Ichthyology | 3 |
| Industry | 7 |
| Labor organization | 3 |
| Mathematics | 2 |
| Medical | 17 |
| Municipal planning | 14 |
| Natural resourses and wildlife conservation | 5 |
| Natural sciences | 4 |
| Patents | 6 |
| Pharmacy and pharmacology | 1 |
| Plastics | 1 |
| Statistics | 3 |
| Veterinary medicine | 1 |