| Abbreviation | 1 |
Forestry | 7 |
Obsolete / dated | 7 |
| Accounting | 5 |
Formal | 3 |
Oceanography & oceanology | 1 |
| Acoustics | 1 |
Foundry | 1 |
Office equipment | 1 |
| Advertising | 10 |
Gambling | 2 |
Officialese | 1 |
| Aerohydrodynamics | 6 |
General | 339 |
Oil / petroleum | 27 |
| Agriculture | 3 |
Genetic engineering | 1 |
Oil and gas | 15 |
| American usage, not spelling | 2 |
Genetics | 2 |
Oil and gas technology | 1 |
| Animal husbandry | 1 |
Geography | 1 |
Oilfields | 6 |
| Apollo-Soyuz | 1 |
Geology | 13 |
Packaging | 8 |
| Applied mathematics | 2 |
Geophysics | 8 |
Patents | 4 |
| Architecture | 11 |
Gold mining | 6 |
Pharmacology | 2 |
| Armored vehicles | 3 |
Grammar | 3 |
Philately / stamp collecting | 1 |
| Artificial intelligence | 14 |
Gynecology | 1 |
Philosophy | 2 |
| Artillery | 1 |
Gyroscopes | 2 |
Physics | 5 |
| Astronautics | 33 |
Historical | 2 |
Physiology | 1 |
| Astronomy | 2 |
Hobbies and pastimes | 1 |
Pipelines | 1 |
| Audit | 1 |
Hotel industry | 1 |
Plastics | 2 |
| Automated equipment | 36 |
Household appliances | 1 |
Poetic | 3 |
| Automatic control | 5 |
Hydraulic engineering | 1 |
Police | 1 |
| Automobiles | 11 |
Hydrology | 2 |
Politics | 19 |
| Aviation | 9 |
Identification systems | 1 |
Polygraphy | 9 |
| Aviation medicine | 2 |
Idiomatic | 2 |
Polymers | 4 |
| Banking | 6 |
Immunology | 4 |
Production | 10 |
| Biology | 1 |
Industry | 3 |
Programming | 515 |
| Biotechnology | 1 |
Informal | 3 |
Psychology | 3 |
| Building structures | 1 |
Information security and data protection | 4 |
Public relations | 1 |
| Business | 25 |
Information technology | 20 |
Pulp and paper industry | 1 |
| Business style | 1 |
Insurance | 1 |
Quality control and standards | 11 |
| Cables and cable production | 3 |
Intelligence and security services | 1 |
Quantum electronics | 1 |
| Cartography | 9 |
International law | 1 |
Quotes and aphorisms | 1 |
| Caspian | 1 |
International Monetary Fund | 3 |
Radioengineering | 1 |
| Cement | 7 |
International trade | 1 |
Rail transport | 18 |
| Chemistry | 3 |
Investment | 3 |
Religion | 2 |
| Chess | 10 |
Law | 38 |
Rhetoric | 1 |
| Christianity | 1 |
Librarianship | 18 |
Road traffic | 3 |
| Cinematography | 3 |
Lighting other than cinema | 1 |
Road works | 1 |
| Clothing | 2 |
Linguistics | 4 |
Robotics | 3 |
| Cloud technologies | 1 |
Literature | 3 |
Roll stock | 1 |
| Collective | 3 |
Logging | 1 |
Sakhalin | 6 |
| Combustion gas turbines | 1 |
Logic | 1 |
SAP finance | 4 |
| Communications | 2 |
Logistics | 5 |
SAP tech. | 1 |
| Computer networks | 6 |
Makarov | 277 |
Scientific | 10 |
| Computers | 7 |
Marketing | 1 |
Securities | 1 |
| Construction | 62 |
Mass media | 28 |
Security systems | 2 |
| Contracts | 1 |
Matches | 1 |
Seismology | 5 |
| Cooking | 2 |
Mathematics | 279 |
Shipbuilding | 5 |
| Criminal law | 3 |
Measuring instruments | 8 |
Show business | 1 |
| Data processing | 2 |
Mechanic engineering | 18 |
Slang | 8 |
| Databases | 3 |
Mechanics | 14 |
Sociology | 4 |
| Dentistry | 12 |
Medical | 14 |
Software | 9 |
| Diplomacy | 22 |
Medical appliances | 10 |
Sports | 7 |
| Drilling | 5 |
Metallurgy | 12 |
Statistics | 7 |
| Drug-related slang | 2 |
Metrology | 6 |
Stock Exchange | 1 |
| Econometrics | 1 |
Microelectronics | 2 |
Technology | 87 |
| Economics | 36 |
Microsoft | 9 |
Telecommunications | 2 |
| Education | 6 |
Military | 30 |
Tennis | 2 |
| Electrical engineering | 10 |
Military lingo | 1 |
Textile industry | 35 |
| Electronics | 19 |
Mining | 11 |
Thermal engineering | 3 |
| Energy industry | 12 |
Mobile and cellular communications | 3 |
Tools | 3 |
| Energy system | 2 |
Molecular genetics | 1 |
Torpedoes | 1 |
| European Bank for Reconstruction and Development | 2 |
Music | 3 |
Transport | 40 |
| Fashion | 2 |
Natural resourses and wildlife conservation | 1 |
Travel | 1 |
| Figurative | 1 |
Nautical | 12 |
Typography | 1 |
| Finances | 4 |
Navigation | 4 |
United Nations | 2 |
| Firefighting and fire-control systems | 3 |
Neural networks | 2 |
Volleyball | 1 |
| Food industry | 8 |
Non-destructive testing | 3 |
Weapons of mass destruction | 4 |
| Foreign affairs | 2 |
Notarial practice | 2 |
Wood processing | 1 |
| Foreign exchange market | 1 |
Nuclear and fusion power | 1 |
Yachting | 1 |
| Foreign policy | 3 |
Nuclear physics | 1 |
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