 |
| Gray: 167 phrases in 32 subjects |
| Agriculture | 3 |
| Anatomy | 1 |
| Botany | 2 |
| Chemistry | 5 |
| Coal | 1 |
| Earth sciences | 4 |
| Ecology | 1 |
| Electronics | 5 |
| Entomology | 3 |
| Food industry | 2 |
| General | 9 |
| Health care | 2 |
| Ichthyology | 3 |
| Industry | 7 |
| Information technology | 6 |
| International Monetary Fund | 13 |
| Life sciences | 3 |
| Lighting other than cinema | 1 |
| Mammals | 2 |
| Measuring instruments | 1 |
| Medical | 41 |
| Metallurgy | 3 |
| Meteorology | 1 |
| Natural resourses and wildlife conservation | 11 |
| Natural sciences | 16 |
| Pathology | 1 |
| Pest control | 3 |
| Soil science | 9 |
| Statistics | 1 |
| Technology | 4 |
| Textile industry | 2 |
| Waste management | 1 |