Polish-Spanish dictionary   Subject Number of entries Chemistry 16.841 Microsoft 16.784 Economics 10.789 Environment 8.800 General 7.248 Mathematics 7.149 Finances 5.275 Electronics 4.140 Law 3.892 Forestry 3.748 Transport 3.588 Politics 2.495 Health care 2.364 Radio 2.335 Life sciences 1.877 Medical 1.831 Antennas and waveguides 1.831 Fish farming pisciculture 1.804 Agriculture 1.751 Food industry 1.616 Statistics 1.433 Communications 1.430 Electric traction 1.258 Social science 1.186 Human rights activism 1.167 Telegraphy 1.129 Electricity generation 1.115 Pharmacy and pharmacology 1.098 Lighting other than cinema 1.097 Electric motors 1.096 Power lines 1.062 Magnetics 1.027 Immigration and citizenship 1.018 Telecommunications 1.009 Radiology 964 Automatic control 955 Obsolete / dated 951 Thermal Energy 920 Procedural law 909 Nuclear physics 893 Vacuum tubes 799 Accounting 791 Information technology 755 Geography 704 Criminal law 698 Sound recording 694 Electric machinery 641 Reliability 631 Power system protection 630 Commerce 610 Isolation 605 Technology 549 Rail transport 542 Energy industry 536 Superconductivity 533 Education 508 Mineralogy 502 Semiconductors 497 Metallurgy 450 Natural sciences 433 Piezoelectric crystals 419 Telephony 413 United Nations 407 Physics 380 Dyes 361 Construction 336 Earth sciences 335 Power electronics 330 Cables and cable production 323 Electrochemistry 322 Accumulators 304 Industry 273 Plastics 268 Computer networks 266 Taxes 264 Satellite communications 262 Transformers 253 Oil / petroleum 252 Mexican 242 Animal husbandry 237 Customs 218 International trade 215 Biochemistry 213 Government, administration and public services 207 Video recording 205 Ecology 201 Business 200 Mechanic engineering 195 Pharmacology 193 Insurance 193 Welding 188 Patents 173 Research and development 171 Banking 164 European Union 162 Photography 161 Polymers 154 Materials science 153 Pulp and paper industry 151 Wind Energy 149 Resins 147 Labor law 144 Physical sciences 137 Natural resourses and wildlife conservation 136 Paint, varnish and lacquer 133 Marketing 128 Data processing 110 Ceramics 110 Leather 105 Explosives and Explosive Ordnance Disposal 104 Water supply 103 Sugar production 98 International law 97 Mineral products 87 Risk Management 83 Chemical fibers 80 Sociology 76 Printed circuit boards 72 Hobbies and pastimes 70 Brewery 64 Employment 64 Ornithology 58 Mammals 56 Cultural studies 54 Investment 53 Trade unions 50 Scientific 49 Computers 47 Security systems 47 Work flow 47 Religion 43 Demography 42 Ichthyology 41 Ultrasound 41 Nuclear and fusion power 40 Glass production 40 Astronautics 37 Labor organization 35 Alcohol distilling 34 Corporate governance 33 Municipal planning 33 Fat-and-oil industry 31 English 26 Private international law 24 Wood processing 23 Coal 22 Waste management 21 Textile industry 13 Art 12 Geophysics 8 Latin American 6 Book binding 6 Mining 3 Toponym 3 Public relations 3 Psychology 2 Ground forces Army 2 Metrology 1 Geriatrics 1.347 Legislative acts 1.348 Nigeria 1.349 Total: 157.174