| Accounting | 10 |
| Agriculture | 104 |
| American usage, not spelling | 1 |
| Analytical chemistry | 18 |
| Animal husbandry | 1 |
| Antennas and waveguides | 1 |
| Astronomy | 16 |
| Athletics | 2 |
| Automated equipment | 13 |
| Aviation | 11 |
| Banking | 7 |
| Bioenergy | 9 |
| Biology | 2 |
| Biotechnology | 2 |
| British usage, not spelling | 1 |
| Business | 3 |
| Chemistry | 44 |
| Coal | 3 |
| Commerce | 13 |
| Communications | 41 |
| Computer numerical control | 3 |
| Computers | 9 |
| Construction | 35 |
| Corporate governance | 3 |
| Cultural studies | 1 |
| Demography | 7 |
| Dosimetry | 2 |
| Dyalysis | 3 |
| Earth sciences | 58 |
| Economics | 92 |
| Education | 4 |
| Electric motors | 1 |
| Electronics | 68 |
| Employment | 1 |
| Energy industry | 17 |
| Environment | 75 |
| Finances | 93 |
| Fish farming pisciculture | 14 |
| Fishery fishing industry | 17 |
| Food industry | 11 |
| Food service and catering | 4 |
| Forestry | 9 |
| Gear train | 14 |
| General | 107 |
| Government, administration and public services | 1 |
| Health care | 37 |
| Hobbies and pastimes | 8 |
| Hydrology | 1 |
| Immigration and citizenship | 1 |
| Industry | 12 |
| Informal | 1 |
| Information technology | 54 |
| Insurance | 12 |
| International Monetary Fund | 7 |
| International trade | 8 |
| Labor law | 10 |
| Law | 37 |
| Life sciences | 62 |
| Lighting other than cinema | 5 |
| Loading equipment | 1 |
| Machinery and mechanisms | 1 |
| Magnetics | 7 |
| Marketing | 26 |
| Materials science | 1 |
| Mathematics | 11 |
| Measuring instruments | 8 |
| Mechanic engineering | 17 |
| Medical | 79 |
| Medical appliances | 24 |
| Metallurgy | 26 |
| Microsoft | 9 |
| Military | 2 |
| Mineral products | 2 |
| Municipal planning | 1 |
| Natural resourses and wildlife conservation | 18 |
| Natural sciences | 3 |
| Nautical | 2 |
| Nuclear physics | 68 |
| Obsolete / dated | 1 |
| Packaging | 1 |
| Paragliding | 3 |
| Patents | 7 |
| Pharmacy and pharmacology | 3 |
| Phonology | 1 |
| Physical sciences | 1 |
| Physics | 2 |
| Piezoelectric crystals | 2 |
| Politics | 4 |
| Power electronics | 8 |
| Power system protection | 1 |
| Procedural law | 1 |
| Public relations | 1 |
| Radiation | 41 |
| Radio | 1 |
| Radiobiology | 1 |
| Radiography | 1 |
| Remote sensing | 2 |
| Scientific | 2 |
| Security systems | 1 |
| Semantics | 2 |
| Social science | 8 |
| Speed skating | 1 |
| Statistics | 82 |
| Taxes | 13 |
| Technology | 96 |
| Telecommunications | 4 |
| Textile industry | 2 |
| Transport | 70 |
| United Nations | 2 |
| Waste management | 1 |
| Water resources | 40 |
| Water supply | 2 |
| Weightlifting | 1 |
| Welfare & Social Security | 1 |
| Work flow | 1 |
| Zoology | 1 |
