 |
| double: 457 phrases in 56 subjects |
| Accounting | 3 |
| Agriculture | 35 |
| American usage, not spelling | 1 |
| Analytical chemistry | 21 |
| Antennas and waveguides | 2 |
| Automatic control | 3 |
| Banking | 1 |
| Botany | 1 |
| Building materials | 2 |
| Building structures | 1 |
| Cables and cable production | 2 |
| Chemistry | 21 |
| Construction | 152 |
| Criminal law | 3 |
| Dyes | 1 |
| Economy | 3 |
| Electric machinery | 1 |
| Electric motors | 5 |
| Electric traction | 10 |
| Electrical engineering | 2 |
| Electricity generation | 2 |
| Electrochemistry | 4 |
| Electronics | 3 |
| Environment | 1 |
| Forestry | 5 |
| General | 45 |
| Health care | 2 |
| Horticulture | 2 |
| Human rights activism | 1 |
| Insurance | 1 |
| Law | 3 |
| Magnetics | 1 |
| Mathematics | 16 |
| Medical | 14 |
| Microsoft | 14 |
| Music | 1 |
| Natural sciences | 2 |
| Oil / petroleum | 1 |
| Ornithology | 2 |
| Polymers | 4 |
| Power electronics | 3 |
| Power lines | 9 |
| Power system protection | 1 |
| Printed circuit boards | 4 |
| Radio | 3 |
| Radiology | 2 |
| Rail transport | 2 |
| Road works | 2 |
| Sports | 1 |
| Taxes | 4 |
| Technology | 2 |
| Telecommunications | 2 |
| Telegraphy | 4 |
| Transport | 17 |
| Vacuum tubes | 3 |
| Zootechnics | 4 |