Subject  | Description | Entries | Users |
| admin | Administracja publiczna / (Public) Administration | 114 | 426 |
| akust. | Akustyka / Audiology | 1 | 211 |
| anat. | Anatomia / Human Anatomy | 292 | 528 |
| arch. | Architektura / Architecture | 137 | 488 |
| archeo. | Archeologia / Archaeology | 39 | 374 |
| astron. | Astronomia / Astronomy | 116 | 628 |
| astronau. | Astronautyka / Astronautics | 33 | 344 |
| bank. | Bankowość / Finance | 326 | 595 |
| bibl. | Biblijny / Biblical | 31 | 389 |
| biblio. | Bibliotekoznawstwo / Library Science | 7 | 195 |
| biochem. | Biochemia / Biochemistry | 25 | 339 |
| biol. | Biologia / Biology | 197 | 700 |
| biotech. | Biotechnologia / Biotechnology | 4 | 293 |
| bot. | Botanika / Botany, Plants | 569 | 416 |
| bud. | Budownictwo / Construction | 88 | 340 |
| chem. | Chemia / Chemistry | 328 | 559 |
| dent. | Dentystyka / Dental Medicine | 30 | 133 |
| druk. | Drukarstwo / Print, Typography, Layout | 32 | 281 |
| dzienn. | Dziennikarstwo / Journalism | 70 | 450 |
| eduk. | Edukacja / Education | 145 | 1248 |
| ekol. | Ekologia / Ecology, Environment | 71 | 742 |
| elektr. | Elektrotechnika, Elektronika / Electrical Engin., Electronics | 24 | 707 |
| enol. | Enologia / Oenology | 27 | 127 |
| entom. | Entomologia, Owadoznawstwo / Entomology | 106 | 110 |
| etno. | Etnologia / Ethnology | 240 | 283 |
| ezot. | Ezoteryka / Esotericism | 15 | 243 |
| F | Dzieła fikcji / Fiction: Names and Titles in Literature, Film, TV, Arts | 161 | 820 |
| farm. | Farmacja / Pharmacy | 73 | 293 |
| filat. | Filatelistyka / Philately | 1 | 63 |
| film | Film / Film | 151 | 1310 |
| fiz. | Fizyka / Physics | 171 | 817 |
| fonet. | Fonetyka / Phonetics | 7 | 416 |
| foto. | Fotografia / Photography | 61 | 837 |
| gastr. | Gastronomia / Gastronomy, Cooking | 688 | 673 |
| geogr. | Geografia / Geography | 838 | 881 |
| geol. | Geologia / Geology | 109 | 307 |
| giełda | Giełda Papierów Wartościowych / Stock Exchange | 2 | 263 |
| górn. | Górnictwo / Mining & Drilling | 33 | 113 |
| gospod. | Gospodarka / Economy | 106 | 939 |
| gramat. | Gramatyka / Linguistics | 126 | 1444 |
| gry | Gry / Games | 54 | 918 |
| handel | Handel / Commerce | 432 | 560 |
| herald. | Heraldyka / Heraldry | 7 | 109 |
| hist. | Historia / History | 206 | 1356 |
| idiom | Idiom / Idiom | 114 | 708 |
| inform. | Informatyka / Computer Sciences | 273 | 1664 |
| internet | Internet / Internet | 85 | 1473 |
| Inżbiom. | Inżynieria biomedyczna / Medical Engineering & Imaging | 7 | 257 |
| inży. | Inżynieria / Engineering | 12 | 955 |
| jeźdź. | Jeźdźiectwo / Equestrianism, Horses | 27 | 133 |
| kolej | Kolej / Rail | 56 | 222 |
| kosm. | Kosmetyka i higiena ciała / Cosmetics & Body Care | 25 | 267 |
| leśn. | Leśnictwo / Forestry | 24 | 175 |
| lit. | Literatura / Literature | 187 | 1264 |
| lot. | Lotnictwo / Aviation | 209 | 480 |
| łowiect. | Łowiectwo / Hunting | 8 | 133 |
| mat. | Matematyka / Mathematics | 233 | 835 |
| mebel | Meble / Furniture | 42 | 234 |
| med. | Medycyna / Medicine | 1098 | 853 |
| MedWet | Medycyna weterynaryjna / Veterinary Medicine | 9 | 169 |
| meteo. | Meteorologia / Meteorology | 160 | 231 |
| mineral. | Mineralogia / Mineralogy | 16 | 155 |
| mitol. | Mitologia / Mythology | 222 | 522 |
| mot. | Motoryzacja / Automotive Engineering | 171 | 508 |
| muz. | Muzyka / Music | 288 | 1765 |
| mykol | Mykologia / Mycology | 31 | 115 |
| narko. | Narkotyk / Drugs | 13 | 274 |
| narzęd. | Narzędzia / Tools | 112 | 495 |
| nauka | Nauka / Academic Disciplines | 178 | 1643 |
| naut. | Nautyka / Nautical Science | 318 | 222 |
| neol. | Neologizm / Neologisms | 2 | 194 |
| nieruch. | Nieruchomość / Real Estate | 20 | 240 |
| nukl. | Nukleonika, Technika jądrowa / Nuclear Engineering | 4 | 182 |
| odzież | Odzież a moda / Clothing, Fashion | 277 | 463 |
| ogro. | Ogrodnictwo / Horticulture | 32 | 251 |
| onom. | Onomastyka / Names of Persons | 79 | 224 |
| optyka | Optyka / Optics | 28 | 175 |
| philos. | Filozofia / Philosophy | 72 | 973 |
| piwo | Piwowarstwo / Brewing | 15 | 168 |
| podróż | Słownictwo związane z podróżą / Travellers vocabulary | 42 | 703 |
| pol. | Polityka / Politics | 514 | 1009 |
| PożRatun | Straż Pożarna & Ratunkowa / Firefighting & Rescue | 1 | 132 |
| prawo | Prawo / Law | 583 | 601 |
| przem | Przemysł / Industry | 14 | 508 |
| przysł. | Przysłowie / Proverb | 42 | 626 |
| psych. | Psychologia / Psychology | 49 | 930 |
| ptak | Ptak / Ornithology | 593 | 151 |
| rach. | Rachunkowość / Accounting | 12 | 422 |
| relig. | Religia / Religion | 654 | 700 |
| retor. | Retoryka / Rhetoric | 4 | 410 |
| roln. | Rolnictwo / Agriculture, Aquaculture | 169 | 295 |
| rower | Rower / Bicycle | 16 | 527 |
| ruch | Ruch drogowy / Traffic | 39 | 325 |
| ryba | Ryba / Ichthyology, fish, fishing | 76 | 114 |
| socjol. | Socjologia / Sociology | 179 | 550 |
| sport | Sport / Sports | 350 | 968 |
| stat. | Statystyka / Statistics | 7 | 357 |
| sztuka | Sztuka / Art | 58 | 1209 |
| T | T / Taxonomic terms for animals, plants and fungi (incl. varieties and breeds) | 1613 | 9 |
| taniec | Taniec / Dance | 39 | 391 |
| teatr | Teatr / Theatre | 65 | 503 |
| tech. | Technika / Technology | 413 | 1280 |
| telekom. | Telekomunikacja / Telecommunications | 9 | 547 |
| textil. | Textilia / Textiles, Textile Industry | 23 | 160 |
| transp. | Transport lądowy / Transportation (Land Transport) | 3 | 345 |
| turys. | Turystyka / Travel Industry | 31 | 541 |
| TV | Telewizja i Radio / Radio and Television | 45 | 566 |
| ubez. | Ubezpieczenia / Insurance | 5 | 173 |
| UE | Unia europejska / European Union | 21 | 683 |
| urban. | Urbanistyka / Urban Planning | 2 | 233 |
| USD | UNESCO Światowe Dziedzictwo / UNESCO World Heritage | 16 | 267 |
| uzbr. | Uzbrojenie / Weapons | 72 | 401 |
| waluta | Waluta / Currencies | 21 | 263 |
| woj. | Wojsko / Military | 484 | 419 |
| wymiary | wymiary / Units, Measures, Weights | 48 | 434 |
| zabaw. | Zabawki / Toys | 35 | 228 |
| zawód | Zawód a rynek pracy / Jobs, Employment Market | 803 | 590 |
| zbroja | Zbroja / Historic Armour | 3 | 144 |
| zegary | Zegary / Watches, Clocks | 23 | 206 |
| zool. | Zoologia / Zoology, Animals | 778 | 669 |
| żywn. | żywność / Foodstuffs Industry | 1 | 311 |
