| Subject |
Number of entries |
| Accounting |
2.565 |
| Accumulators |
176 |
| Acoustics |
165 |
| Acridology |
299 |
| Agriculture |
69.615 |
| Alcohol distilling |
19 |
| Alternative dispute resolution |
1 |
| American usage, not spelling |
953 |
| Amphibians and reptiles |
3.420 |
| Analytical chemistry |
3.905 |
| Anatomy |
7 |
| Animal husbandry |
3.037 |
| Antennas and waveguides |
2.011 |
| Archaic |
1 |
| Architecture |
273 |
| Art |
1.809 |
| Astronautics |
517 |
| Astronomy |
7.329 |
| Athletics |
614 |
| Audit |
17 |
| Automated equipment |
16.090 |
| Automatic control |
413 |
| Automobiles |
35 |
| Aviation |
14.112 |
| Avuncular |
261 |
| Bacteriology |
96 |
| Banking |
4.019 |
| Basketball |
299 |
| Beekeeping |
20 |
| Beverages |
60 |
| Bible |
28 |
| Biochemistry |
235 |
| Bioenergy |
333 |
| Biology |
2.147 |
| Biotechnology |
2.784 |
| Book binding |
681 |
| Botany |
7.340 |
| Boxing |
448 |
| Brewery |
42 |
| British usage, not spelling |
1.029 |
| British English spelling |
4 |
| Building materials |
127 |
| Building structures |
517 |
| Business |
1.281 |
| Cables and cable production |
278 |
| Cartography |
62 |
| Cement |
16 |
| Ceramics |
79 |
| Chemical fibers |
499 |
| Chemistry |
69.727 |
| Chess |
309 |
| Cinematography |
698 |
| Climatology |
324 |
| Coal |
6.605 |
| Coffee |
111 |
| Commerce |
5.850 |
| Communications |
48.519 |
| Computer games |
11 |
| Computer networks |
129 |
| Computer numerical control |
939 |
| Computer security |
1 |
| Computers |
24.957 |
| Construction |
55.017 |
| Cooking |
22 |
| Corporate governance |
2.513 |
| Court law |
1 |
| Criminal law |
1.584 |
| Cultural studies |
5.150 |
| Customs |
409 |
| Cycle sport |
374 |
| Cycling other than sport |
322 |
| Data processing |
865 |
| Demography |
1.230 |
| Dermatology |
3 |
| Dosimetry |
749 |
| Dyalysis |
672 |
| Dyes |
207 |
| Earth sciences |
26.152 |
| Ecology |
275 |
| Economics |
32.618 |
| Education |
8.560 |
| Electric machinery |
239 |
| Electric motors |
350 |
| Electric traction |
674 |
| Electrical engineering |
374 |
| Electricity generation |
262 |
| Electricity |
27 |
| Electrochemistry |
160 |
| Electronics |
40.926 |
| Embryology |
23 |
| Employment |
251 |
| Energy distribution |
2 |
| Energy industry |
5.464 |
| Engineering |
70 |
| English |
662 |
| Entomology |
7.437 |
| Environment |
34.443 |
| Equestrian sports |
481 |
| Euphemistic |
45 |
| European Union |
924 |
| Explosives and Explosive Ordnance Disposal |
63 |
| Fat-and-oil industry |
22 |
| Fencing |
416 |
| Figurative |
675 |
| Finances |
54.123 |
| Finishing |
9 |
| Fish farming pisciculture |
10.147 |
| Fishery fishing industry |
1.956 |
| Food industry |
9.255 |
| Food service and catering |
1.604 |
| Football |
432 |
| Forestry |
9.538 |
| Foundation engineering |
7 |
| Furniture |
8 |
| Gambling |
4 |
| Gardening |
92 |
| Gear train |
1.240 |
| General |
178.214 |
| Genetics |
1.966 |
| Geography |
7.993 |
| Geology |
157 |
| Geophysics |
42 |
| Glass production |
61 |
| Government, administration and public services |
1.133 |
| Grammar |
540 |
| Grass hockey |
108 |
| Ground forces Army |
8 |
| Gymnastics |
1.898 |
| Gynecology |
1 |
| Handball |
321 |
| Health care |
39.478 |
| Heating |
1 |
| High energy physics |
7.560 |
| Historical |
50 |
| Hobbies and pastimes |
6.456 |
| Horticulture |
898 |
| Human resources |
802 |
| Human rights activism |
2.042 |
| Humorous / Jocular |
232 |
| Hydraulic engineering |
101 |
| Hydraulics |
2 |
| Hydrology |
541 |
| Hygiene |
38 |
| Ice hockey |
191 |
| Ichthyology |
15.673 |
| Immigration and citizenship |
3.012 |
| Industry |
37.198 |
| Informal |
1.755 |
| Information security and data protection |
1 |
| Information technology |
44.756 |
| Insurance |
5.645 |
| International law |
246 |
| International Monetary Fund |
12.279 |
| International relations |
14 |
| International trade |
2.268 |
| Investment |
107 |
| Ironical |
98 |
| Isolation |
301 |
| Journalism terminology |
14 |
| Judo |
450 |
| Kayaking |
205 |
| Knitted goods |
246 |
| Labor law |
8.294 |
| Labor organization |
362 |
| Laboratory equipment |
555 |
| Latin American |
30 |
| Law |
57.884 |
| Leather |
399 |
| Librarianship |
1.063 |
| Life sciences |
24.103 |
| Lighting other than cinema |
492 |
| Linguistics |
5.498 |
| Literature |
172 |
| Loading equipment |
1.183 |
| Logic |
75 |
| Machinery and mechanisms |
188 |
| Magnetics |
363 |
| Mammals |
6.138 |
| Marketing |
7.827 |
| Materials science |
8.503 |
| Mathematics |
6.345 |
| Measuring instruments |
4.762 |
| Mechanic engineering |
29.863 |
| Mechanics |
234 |
| Medical appliances |
18.023 |
| Medical |
134.979 |
| Melioration |
9 |
| Metallurgy |
43.887 |
| Meteorology |
30 |
| Metrology |
90 |
| Microbiology |
237 |
| Microscopy |
67 |
| Microsoft |
19.840 |
| Military |
1.967 |
| Milk production |
497 |
| Mineral products |
909 |
| Mineralogy |
215 |
| Mining |
318 |
| Money & world curencies |
1 |
| Morphology |
182 |
| Municipal planning |
4.141 |
| Music |
11 |
| Mythology |
2 |
| Name of organization |
11.781 |
| Natural resourses and wildlife conservation |
27.393 |
| Natural sciences |
26.498 |
| Nautical |
338 |
| Navigation |
11 |
| Navy |
14 |
| Neurolinguistics |
23 |
| Nuclear and fusion power |
455 |
| Nuclear physics |
11.089 |
| Obsolete / dated |
1.227 |
| Obstetrics |
7 |
| Occupational health & safety |
4 |
| Oceanography & oceanology |
130 |
| Oil / petroleum |
737 |
| Ophthalmology |
7 |
| Optics branch of physics |
12 |
| Ornithology |
13.369 |
| Packaging |
8.766 |
| Paint, varnish and lacquer |
62 |
| Paleontology |
2.684 |
| Paragliding |
700 |
| Patents |
13.751 |
| Pathology |
4 |
| Pejorative |
102 |
| Pest control |
2.440 |
| Pets |
37 |
| Pharmacology |
123 |
| Pharmacy and pharmacology |
3.726 |
| Philately / stamp collecting |
5 |
| Philosophy |
6 |
| Phonology |
2.269 |
| Photography |
92 |
| Physical sciences |
2.217 |
| Physics |
406 |
| Physiology |
2 |
| Piezoelectric crystals |
318 |
| Planning |
97 |
| Plastics |
157 |
| Platform diving |
124 |
| Plumbing |
45 |
| Politics |
13.014 |
| Polygraphy |
36 |
| Polymers |
99 |
| Postal service |
1 |
| Power electronics |
172 |
| Power lines |
621 |
| Power system protection |
320 |
| Pragmatics |
181 |
| Printed circuit boards |
28 |
| Private international law |
83 |
| Procedural law |
959 |
| Proper and figurative |
122 |
| Proverb |
164 |
| Psychiatry |
33 |
| Psycholinguistics |
24 |
| Psychology |
23 |
| Public relations |
31 |
| Pulp and paper industry |
381 |
| Quality control and standards |
5 |
| Radiation |
10.360 |
| Radio |
1.260 |
| Radiobiology |
282 |
| Radiography |
715 |
| Radiolocation |
6 |
| Radiology |
103 |
| Rail transport |
696 |
| Real estate |
1 |
| Reinforced concrete |
1 |
| Reliability |
387 |
| Religion |
981 |
| Remote sensing |
1.044 |
| Research and development |
1.327 |
| Resins |
84 |
| Rhetoric |
147 |
| Risk Management |
55 |
| Road works |
80 |
| Rowing |
277 |
| Rude |
27 |
| Sailing |
958 |
| Satellite communications |
62 |
| School |
26 |
| Scientific |
1.651 |
| Scuba diving |
126 |
| Security systems |
486 |
| Semantics |
266 |
| Semiconductors |
105 |
| Semiotics |
139 |
| Shooting sport |
363 |
| Skiing |
411 |
| Slang |
176 |
| Social science |
10.828 |
| Socialism |
269 |
| Sociolinguistics |
402 |
| Sociology |
631 |
| Soil mechanics |
4 |
| Soil science |
1.602 |
| Sound recording |
274 |
| Speed skating |
373 |
| Spices |
104 |
| Sports |
2.229 |
| Statistics |
14.103 |
| Stock Exchange |
10 |
| Sugar production |
177 |
| Superconductivity |
413 |
| Surgery |
3 |
| Surname |
1 |
| Survey |
16 |
| Surveying |
134 |
| Swimming |
551 |
| Syntax |
500 |
| Table tennis |
207 |
| Tagmemics |
129 |
| Taxes |
3.302 |
| Technology |
42.788 |
| Telecommunications |
6.806 |
| Telegraphy |
451 |
| Telephony |
259 |
| Television |
17 |
| Tennis |
293 |
| Textile industry |
10.353 |
| Theatre |
10 |
| Thermal Energy |
456 |
| Thermal engineering |
8 |
| Tobacco industry |
25 |
| Tools |
90 |
| Toxicology |
62 |
| Trade unions |
768 |
| Transformers |
145 |
| Transport |
84.763 |
| Travel |
481 |
| Typology |
47 |
| Ultrasound |
35 |
| United Nations |
14.593 |
| United States |
10 |
| University |
18 |
| Vacuum tubes |
70 |
| Ventilation |
40 |
| Veterinary medicine |
2.621 |
| Video recording |
118 |
| Virology |
421 |
| Volleyball |
224 |
| Waste management |
218 |
| Water polo |
154 |
| Water resources |
2.008 |
| Water supply |
105 |
| Weapons and gunsmithing |
3 |
| Weightlifting |
144 |
| Welding |
153 |
| Welfare & Social Security |
1.145 |
| Wind Energy |
72 |
| Windows |
1 |
| Winemaking |
3 |
| Wiring |
1 |
| Wood processing |
1.607 |
| Work flow |
3.843 |
| Wrestling |
390 |
| Zoology |
4.153 |
| Total: |
1.778.577 |
