| English thesaurus | |||
| |||
| .pl (file name extension) | |||
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Pearl : 33 phrases in 14 subjects |
| Agriculture | 1 |
| Botany | 2 |
| Entomology | 2 |
| Fish farming pisciculture | 2 |
| Fishery fishing industry | 1 |
| General | 2 |
| Ichthyology | 7 |
| Labor organization | 3 |
| Mathematics | 1 |
| Medical | 4 |
| Name of organization | 2 |
| Professional jargon | 1 |
| Statistics | 2 |
| Veterinary medicine | 3 |