| Abbreviation | 1 |
European Union | 18 |
Non-governmental organizations | 8 |
| Accounting | 18 |
Exhibitions | 1 |
Nuclear and fusion power | 1 |
| Agriculture | 430 |
Figurative | 13 |
Nuclear physics | 61 |
| Agronomy | 7 |
Finances | 384 |
Obsolete / dated | 51 |
| Alternative dispute resolution | 251 |
Fish farming pisciculture | 17 |
Oil / petroleum | 3 |
| American usage, not spelling | 15 |
Food industry | 7 |
Oil and gas | 1 |
| Analytical chemistry | 5 |
Football | 1 |
Oils and lubricants | 2 |
| Archaeology | 2 |
Footwear | 2 |
Opencast mining | 1 |
| Art | 5 |
Foreign trade | 301 |
Optics branch of physics | 181 |
| Artificial intelligence | 39 |
Forestry | 13 |
Packaging | 14 |
| Artillery | 1 |
Gear train | 15 |
Paragliding | 8 |
| Astronautics | 1 |
General | 2171 |
Patents | 138 |
| Astronomy | 31 |
Geology | 1 |
Pharmacy and pharmacology | 9 |
| Athletics | 4 |
Geomechanics | 6 |
Physical sciences | 6 |
| Austrian usage | 7 |
Germany | 2 |
Physics | 65 |
| Automated equipment | 22 |
Government, administration and public services | 10 |
Politics | 38 |
| Automatic control | 2 |
Grammar | 1 |
Polygraphy | 8 |
| Automobiles | 15 |
Grass hockey | 1 |
Private international law | 6 |
| Aviation | 1 |
Gymnastics | 10 |
Procedural law | 34 |
| Ball bearings | 1 |
Handball | 2 |
Production | 1 |
| Banking | 26 |
Health care | 49 |
Programming | 3 |
| Basketball | 1 |
High energy physics | 19 |
Psychology | 2 |
| Beekeeping | 3 |
Historical | 4 |
Quality control and standards | 2 |
| Biology | 41 |
Hobbies and pastimes | 7 |
Quotes and aphorisms | 1 |
| Bookish / literary | 1 |
Horticulture | 5 |
Racing and motorsport | 2 |
| Boxing | 2 |
Human rights activism | 4 |
Radiation | 16 |
| British usage, not spelling | 23 |
Idiomatic | 1 |
Radio | 3 |
| Building materials | 3 |
Immigration and citizenship | 16 |
Radiobiology | 2 |
| Business | 337 |
Industry | 72 |
Rail transport | 6 |
| Chemistry | 160 |
Informal | 31 |
Refrigeration | 6 |
| Coal | 51 |
Information technology | 120 |
Religion | 5 |
| Commerce | 16 |
Insurance | 40 |
Research and development | 6 |
| Communications | 154 |
International Monetary Fund | 25 |
Rude | 1 |
| Computer numerical control | 2 |
International trade | 9 |
Sailing | 1 |
| Computers | 33 |
International transportation | 1 |
Sakhalin | 2 |
| Construction | 276 |
Internet | 1 |
Sample preparation | 4 |
| Criminal law | 10 |
Judo | 13 |
Satellite communications | 1 |
| Cryptography | 1 |
Labor law | 30 |
Scientific | 5 |
| Cultural studies | 15 |
Labor organization | 1 |
Semiconductors | 2 |
| Customs | 73 |
Law | 906 |
Social science | 20 |
| Cycle sport | 1 |
Life sciences | 87 |
Sports | 11 |
| Data processing | 1 |
Lighting other than cinema | 2 |
Statistics | 59 |
| Demography | 3 |
Marketing | 57 |
Swimming | 2 |
| Dentistry | 1 |
Materials science | 39 |
Taxes | 105 |
| Diplomacy | 1 |
Mathematics | 11 |
Technology | 699 |
| Dog breeding | 1 |
Measuring instruments | 39 |
Telecommunications | 13 |
| Drives | 2 |
Mechanic engineering | 135 |
Telegraphy | 2 |
| Drug-related slang | 1 |
Medical | 328 |
Textile industry | 12 |
| Earth sciences | 146 |
Medical appliances | 18 |
Thermal Energy | 1 |
| Ecology | 4 |
Melioration | 1 |
Transport | 459 |
| Economics | 717 |
Metallurgy | 317 |
Travel | 1 |
| Education | 31 |
Microelectronics | 161 |
United Nations | 8 |
| Electric machinery | 1 |
Microscopy | 3 |
University | 2 |
| Electric traction | 1 |
Microsoft | 29 |
Weapons and gunsmithing | 2 |
| Electricity generation | 3 |
Military | 11 |
Wood processing | 2 |
| Electronics | 90 |
Mineral products | 2 |
Work flow | 12 |
| Emergency medical care | 4 |
Mining | 34 |
Wrestling | 17 |
| Employment | 1 |
Municipal planning | 6 |
Zoology | 1 |
| Energy industry | 24 |
Music | 1 |
Zootechnics | 3 |
| Environment | 113 |
Natural resourses and wildlife conservation | 95 |
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| European Bank for Reconstruction and Development | 2 |
Natural sciences | 31 |
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