Subject  | Description | Entries | Users |
| admin | Administracja publiczna / (Public) Administration | 118 | 445 |
| akust. | Akustyka / Audiology | 2 | 235 |
| anat. | Anatomia / Human Anatomy | 298 | 564 |
| arch. | Architektura / Architecture | 145 | 522 |
| archeo. | Archeologia / Archaeology | 58 | 399 |
| astron. | Astronomia / Astronomy | 158 | 680 |
| astronau. | Astronautyka / Astronautics | 33 | 374 |
| bank. | Bankowość / Finance | 330 | 619 |
| bibl. | Biblijny / Biblical | 32 | 416 |
| biblio. | Bibliotekoznawstwo / Library Science | 11 | 206 |
| biochem. | Biochemia / Biochemistry | 91 | 362 |
| biol. | Biologia / Biology | 254 | 737 |
| biotech. | Biotechnologia / Biotechnology | 6 | 312 |
| bot. | Botanika / Botany, Plants | 591 | 442 |
| bud. | Budownictwo / Construction | 93 | 360 |
| chem. | Chemia / Chemistry | 540 | 599 |
| dent. | Dentystyka / Dental Medicine | 30 | 138 |
| druk. | Drukarstwo / Print, Typography, Layout | 34 | 301 |
| dzienn. | Dziennikarstwo / Journalism | 73 | 477 |
| eduk. | Edukacja / Education | 150 | 1306 |
| ekol. | Ekologia / Ecology, Environment | 86 | 773 |
| elektr. | Elektrotechnika, Elektronika / Electrical Engin., Electronics | 34 | 753 |
| enol. | Enologia / Oenology | 29 | 133 |
| entom. | Entomologia, Owadoznawstwo / Entomology | 112 | 119 |
| etno. | Etnologia / Ethnology | 254 | 299 |
| ezot. | Ezoteryka / Esotericism | 18 | 259 |
| F | Dzieła fikcji / Fiction: Names and Titles in Literature, Film, TV, Arts | 175 | 864 |
| farm. | Farmacja / Pharmacy | 122 | 311 |
| filat. | Filatelistyka / Philately | 1 | 66 |
| film | Film / Film | 165 | 1372 |
| fiz. | Fizyka / Physics | 200 | 869 |
| fonet. | Fonetyka / Phonetics | 7 | 450 |
| foto. | Fotografia / Photography | 64 | 871 |
| gastr. | Gastronomia / Gastronomy, Cooking | 731 | 704 |
| geogr. | Geografia / Geography | 921 | 935 |
| geol. | Geologia / Geology | 133 | 332 |
| giełda | Giełda Papierów Wartościowych / Stock Exchange | 2 | 278 |
| górn. | Górnictwo / Mining & Drilling | 34 | 119 |
| gospod. | Gospodarka / Economy | 116 | 985 |
| gramat. | Gramatyka / Linguistics | 151 | 1535 |
| gry | Gry / Games | 57 | 984 |
| handel | Handel / Commerce | 438 | 576 |
| herald. | Heraldyka / Heraldry | 8 | 121 |
| hist. | Historia / History | 256 | 1448 |
| hydro. | Hydrologia & Hydrogeologia / Hydrology & Hydrogeology | 5 | 120 |
| idiom | Idiom / Idiom | 114 | 708 |
| inform. | Informatyka / Computer Sciences | 293 | 1775 |
| internet | Internet / Internet | 89 | 1557 |
| Inżbiom. | Inżynieria biomedyczna / Medical Engineering & Imaging | 17 | 275 |
| inży. | Inżynieria / Engineering | 13 | 1035 |
| jeźdź. | Jeźdźiectwo / Equestrianism, Horses | 28 | 140 |
| kolej | Kolej / Rail | 56 | 239 |
| kosm. | Kosmetyka i higiena ciała / Cosmetics & Body Care | 27 | 278 |
| leśn. | Leśnictwo / Forestry | 24 | 184 |
| lit. | Literatura / Literature | 210 | 1340 |
| lot. | Lotnictwo / Aviation | 213 | 515 |
| łowiect. | Łowiectwo / Hunting | 8 | 137 |
| mat. | Matematyka / Mathematics | 253 | 899 |
| mebel | Meble / Furniture | 43 | 249 |
| med. | Medycyna / Medicine | 1226 | 902 |
| MedWet | Medycyna weterynaryjna / Veterinary Medicine | 13 | 177 |
| meteo. | Meteorologia / Meteorology | 172 | 251 |
| mineral. | Mineralogia / Mineralogy | 27 | 166 |
| mitol. | Mitologia / Mythology | 225 | 551 |
| mot. | Motoryzacja / Automotive Engineering | 173 | 539 |
| muz. | Muzyka / Music | 320 | 1852 |
| mykol | Mykologia / Mycology | 32 | 125 |
| narko. | Narkotyk / Drugs | 14 | 297 |
| narzęd. | Narzędzia / Tools | 115 | 539 |
| nauka | Nauka / Academic Disciplines | 266 | 1757 |
| naut. | Nautyka / Nautical Science | 323 | 233 |
| neol. | Neologizm / Neologisms | 2 | 194 |
| nieruch. | Nieruchomość / Real Estate | 20 | 249 |
| nukl. | Nukleonika, Technika jądrowa / Nuclear Engineering | 6 | 196 |
| odzież | Odzież a moda / Clothing, Fashion | 278 | 487 |
| ogro. | Ogrodnictwo / Horticulture | 33 | 260 |
| onom. | Onomastyka / Names of Persons | 83 | 244 |
| optyka | Optyka / Optics | 28 | 187 |
| philos. | Filozofia / Philosophy | 98 | 1031 |
| piwo | Piwowarstwo / Brewing | 15 | 174 |
| podróż | Słownictwo związane z podróżą / Travellers vocabulary | 45 | 736 |
| pol. | Polityka / Politics | 572 | 1072 |
| PożRatun | Straż Pożarna & Ratunkowa / Firefighting & Rescue | 1 | 148 |
| prawo | Prawo / Law | 596 | 633 |
| przem | Przemysł / Industry | 16 | 543 |
| przysł. | Przysłowie / Proverb | 42 | 657 |
| psych. | Psychologia / Psychology | 77 | 983 |
| ptak | Ptak / Ornithology | 798 | 163 |
| rach. | Rachunkowość / Accounting | 12 | 440 |
| relig. | Religia / Religion | 698 | 733 |
| retor. | Retoryka / Rhetoric | 5 | 433 |
| roln. | Rolnictwo / Agriculture, Aquaculture | 173 | 310 |
| rower | Rower / Bicycle | 16 | 561 |
| ruch | Ruch drogowy / Traffic | 40 | 342 |
| ryba | Ryba / Ichthyology, fish, fishing | 84 | 117 |
| socjol. | Socjologia / Sociology | 213 | 594 |
| sport | Sport / Sports | 357 | 1008 |
| stat. | Statystyka / Statistics | 7 | 386 |
| sztuka | Sztuka / Art | 74 | 1288 |
| T | T / Taxonomic terms for animals, plants and fungi (incl. varieties and breeds) | 1957 | 18 |
| taniec | Taniec / Dance | 41 | 411 |
| teatr | Teatr / Theatre | 65 | 532 |
| tech. | Technika / Technology | 421 | 1380 |
| telekom. | Telekomunikacja / Telecommunications | 10 | 567 |
| textil. | Textilia / Textiles, Textile Industry | 23 | 169 |
| transp. | Transport lądowy / Transportation (Land Transport) | 6 | 366 |
| turys. | Turystyka / Travel Industry | 35 | 567 |
| TV | Telewizja i Radio / Radio and Television | 46 | 582 |
| ubez. | Ubezpieczenia / Insurance | 5 | 181 |
| UE | Unia europejska / European Union | 24 | 728 |
| urban. | Urbanistyka / Urban Planning | 4 | 260 |
| USD | UNESCO Światowe Dziedzictwo / UNESCO World Heritage | 16 | 290 |
| uzbr. | Uzbrojenie / Weapons | 74 | 422 |
| waluta | Waluta / Currencies | 22 | 282 |
| woj. | Wojsko / Military | 496 | 447 |
| wymiary | wymiary / Units, Measures, Weights | 48 | 458 |
| zabaw. | Zabawki / Toys | 36 | 244 |
| zawód | Zawód a rynek pracy / Jobs, Employment Market | 809 | 616 |
| zbroja | Zbroja / Historic Armour | 3 | 162 |
| zegary | Zegary / Watches, Clocks | 23 | 217 |
| zool. | Zoologia / Zoology, Animals | 907 | 700 |
| żywn. | żywność / Foodstuffs Industry | 19 | 322 |
