|
hardest : 257 phrases in 39 subjects |
| Agriculture | 1 |
| American usage, not spelling | 2 |
| Architecture | 1 |
| Astronautics | 3 |
| Australian | 1 |
| Aviation | 4 |
| Business style | 1 |
| Computers | 4 |
| Diplomacy | 20 |
| Economics | 3 |
| Energy industry | 1 |
| European Union | 1 |
| Figurative | 2 |
| Finances | 3 |
| General | 108 |
| Geology | 2 |
| Informal | 10 |
| Information security and data protection | 1 |
| Information technology | 8 |
| International relations | 1 |
| Labor law | 1 |
| Law | 3 |
| Mathematics | 1 |
| Mechanic engineering | 1 |
| Medical | 1 |
| Metallurgy | 6 |
| Metrology | 1 |
| Microelectronics | 10 |
| Microsoft | 4 |
| Military | 12 |
| Nautical | 1 |
| Oil and gas | 15 |
| Polygraphy | 1 |
| Proverb | 16 |
| Psychology | 1 |
| Sarcastical | 1 |
| Sports | 1 |
| Technology | 3 |
| Transport | 1 |