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doubles : 815 phrases in 88 subjects |
| Agriculture | 33 |
| Animal husbandry | 3 |
| Antennas and waveguides | 12 |
| Astronomy | 8 |
| Automated equipment | 6 |
| Automobiles | 6 |
| Aviation | 1 |
| Baseball | 9 |
| Biotechnology | 1 |
| Book binding | 1 |
| Botany | 1 |
| Cables and cable production | 2 |
| Chemistry | 19 |
| Cinematography | 1 |
| Coal | 2 |
| Communications | 8 |
| Computers | 3 |
| Construction | 15 |
| Criminal law | 1 |
| Cultural studies | 2 |
| Dyalysis | 1 |
| Dyes | 1 |
| Earth sciences | 14 |
| Electric motors | 3 |
| Electric traction | 5 |
| Electricity | 1 |
| Electricity generation | 2 |
| Electrochemistry | 3 |
| Electronics | 26 |
| Finances | 4 |
| Fish farming pisciculture | 3 |
| Food industry | 1 |
| Forestry | 7 |
| General | 33 |
| Genetics | 1 |
| Geology | 2 |
| Health care | 5 |
| Horticulture | 4 |
| Immigration and citizenship | 1 |
| Industry | 26 |
| Information technology | 5 |
| Insurance | 1 |
| International Monetary Fund | 13 |
| Laboratory equipment | 1 |
| Law | 8 |
| Life sciences | 5 |
| Loading equipment | 12 |
| Marketing | 1 |
| Materials science | 3 |
| Mathematics | 9 |
| Measuring instruments | 19 |
| Mechanic engineering | 24 |
| Medical | 61 |
| Metallurgy | 13 |
| Mexican | 7 |
| Microbiology | 4 |
| Microsoft | 11 |
| Milk production | 4 |
| Natural sciences | 6 |
| Oil / petroleum | 1 |
| Ophthalmology | 1 |
| Packaging | 40 |
| Patents | 3 |
| Pest control | 1 |
| Physics | 1 |
| Police | 2 |
| Polymers | 4 |
| Power electronics | 1 |
| Power lines | 8 |
| Power system protection | 1 |
| Printed circuit boards | 4 |
| Radio | 1 |
| Radiology | 1 |
| Rail transport | 3 |
| Soil science | 1 |
| Spanish | 2 |
| Statistics | 13 |
| Surveying | 1 |
| Taxes | 7 |
| Technology | 153 |
| Telecommunications | 1 |
| Telegraphy | 2 |
| Textile industry | 36 |
| Transport | 31 |
| United Nations | 2 |
| Veterinary medicine | 2 |
| Water resources | 1 |
| Wood processing | 7 |