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| English thesaurus | |||
| |||
| BUGS | |||
| Brown: 1168 phrases in 59 subjects |
| Acridology | 1 |
| Agriculture | 104 |
| Amphibians and reptiles | 28 |
| Animal husbandry | 2 |
| Biology | 1 |
| Botany | 7 |
| British usage, not spelling | 1 |
| Chemical fibers | 1 |
| Chemistry | 27 |
| Coal | 7 |
| Coffee | 4 |
| Commerce | 2 |
| Communications | 2 |
| Construction | 5 |
| Cultural studies | 3 |
| Dyes | 1 |
| Earth sciences | 11 |
| Energy industry | 7 |
| Entomology | 89 |
| Environment | 13 |
| Fish farming pisciculture | 22 |
| Food industry | 22 |
| Forestry | 2 |
| General | 38 |
| Geography | 1 |
| Health care | 16 |
| Ichthyology | 87 |
| Industry | 11 |
| International Monetary Fund | 2 |
| Judo | 1 |
| Labor law | 1 |
| Law | 1 |
| Life sciences | 26 |
| Mammals | 80 |
| Mathematics | 8 |
| Medical | 67 |
| Metallurgy | 14 |
| Mineralogy | 1 |
| Municipal planning | 6 |
| Natural resourses and wildlife conservation | 73 |
| Natural sciences | 98 |
| Ornithology | 173 |
| Packaging | 6 |
| Paint, varnish and lacquer | 1 |
| Pest control | 27 |
| Pets | 3 |
| Physics | 1 |
| Resins | 1 |
| Social science | 3 |
| Soil science | 7 |
| Statistics | 2 |
| Technology | 14 |
| Telecommunications | 7 |
| Transport | 1 |
| United Nations | 2 |
| Veterinary medicine | 1 |
| Water resources | 2 |
| Wood processing | 1 |
| Zoology | 23 |