 |
| English thesaurus | |||
| |||
| PEL | |||
| Purple: 351 phrases in 33 subjects |
| Agriculture | 16 |
| American usage, not spelling | 2 |
| Amphibians and reptiles | 2 |
| Biology | 4 |
| Botany | 7 |
| Chemistry | 11 |
| Coal | 1 |
| Cultural studies | 4 |
| Dyalysis | 1 |
| Earth sciences | 2 |
| Electronics | 1 |
| Entomology | 14 |
| Food industry | 27 |
| General | 59 |
| Health care | 5 |
| Humorous / Jocular | 1 |
| Ichthyology | 3 |
| Informal | 2 |
| Life sciences | 4 |
| Lighting other than cinema | 1 |
| Medical | 8 |
| Metallurgy | 3 |
| Microelectronics | 1 |
| Mining | 10 |
| Natural resourses and wildlife conservation | 18 |
| Natural sciences | 28 |
| Optics branch of physics | 3 |
| Ornithology | 91 |
| Physics | 1 |
| Social science | 11 |
| Technology | 2 |
| Transport | 1 |
| Zoology | 7 |