Subject  | Description | Entries | Users |
| admin | Administracja publiczna / (Public) Administration | 117 | 442 |
| akust. | Akustyka / Audiology | 2 | 228 |
| anat. | Anatomia / Human Anatomy | 297 | 554 |
| arch. | Architektura / Architecture | 140 | 516 |
| archeo. | Archeologia / Archaeology | 51 | 392 |
| astron. | Astronomia / Astronomy | 148 | 670 |
| astronau. | Astronautyka / Astronautics | 33 | 369 |
| bank. | Bankowość / Finance | 330 | 615 |
| bibl. | Biblijny / Biblical | 32 | 412 |
| biblio. | Bibliotekoznawstwo / Library Science | 8 | 204 |
| biochem. | Biochemia / Biochemistry | 90 | 357 |
| biol. | Biologia / Biology | 242 | 725 |
| biotech. | Biotechnologia / Biotechnology | 6 | 308 |
| bot. | Botanika / Botany, Plants | 589 | 434 |
| bud. | Budownictwo / Construction | 90 | 357 |
| chem. | Chemia / Chemistry | 529 | 589 |
| dent. | Dentystyka / Dental Medicine | 30 | 137 |
| druk. | Drukarstwo / Print, Typography, Layout | 33 | 296 |
| dzienn. | Dziennikarstwo / Journalism | 70 | 471 |
| eduk. | Edukacja / Education | 149 | 1291 |
| ekol. | Ekologia / Ecology, Environment | 82 | 767 |
| elektr. | Elektrotechnika, Elektronika / Electrical Engin., Electronics | 32 | 744 |
| enol. | Enologia / Oenology | 29 | 130 |
| entom. | Entomologia, Owadoznawstwo / Entomology | 108 | 115 |
| etno. | Etnologia / Ethnology | 252 | 294 |
| ezot. | Ezoteryka / Esotericism | 17 | 251 |
| F | Dzieła fikcji / Fiction: Names and Titles in Literature, Film, TV, Arts | 161 | 850 |
| farm. | Farmacja / Pharmacy | 122 | 310 |
| filat. | Filatelistyka / Philately | 1 | 65 |
| film | Film / Film | 155 | 1358 |
| fiz. | Fizyka / Physics | 193 | 856 |
| fonet. | Fonetyka / Phonetics | 7 | 441 |
| foto. | Fotografia / Photography | 64 | 859 |
| gastr. | Gastronomia / Gastronomy, Cooking | 697 | 694 |
| geogr. | Geografia / Geography | 867 | 922 |
| geol. | Geologia / Geology | 131 | 328 |
| giełda | Giełda Papierów Wartościowych / Stock Exchange | 2 | 276 |
| górn. | Górnictwo / Mining & Drilling | 33 | 118 |
| gospod. | Gospodarka / Economy | 113 | 980 |
| gramat. | Gramatyka / Linguistics | 143 | 1510 |
| gry | Gry / Games | 56 | 966 |
| handel | Handel / Commerce | 435 | 574 |
| herald. | Heraldyka / Heraldry | 8 | 118 |
| hist. | Historia / History | 233 | 1423 |
| hydro. | Hydrologia & Hydrogeologia / Hydrology & Hydrogeology | 4 | 116 |
| idiom | Idiom / Idiom | 114 | 708 |
| inform. | Informatyka / Computer Sciences | 287 | 1743 |
| internet | Internet / Internet | 87 | 1537 |
| Inżbiom. | Inżynieria biomedyczna / Medical Engineering & Imaging | 17 | 273 |
| inży. | Inżynieria / Engineering | 13 | 1018 |
| jeźdź. | Jeźdźiectwo / Equestrianism, Horses | 28 | 138 |
| kolej | Kolej / Rail | 56 | 235 |
| kosm. | Kosmetyka i higiena ciała / Cosmetics & Body Care | 26 | 273 |
| leśn. | Leśnictwo / Forestry | 24 | 181 |
| lit. | Literatura / Literature | 192 | 1318 |
| lot. | Lotnictwo / Aviation | 213 | 509 |
| łowiect. | Łowiectwo / Hunting | 8 | 136 |
| mat. | Matematyka / Mathematics | 247 | 881 |
| mebel | Meble / Furniture | 43 | 244 |
| med. | Medycyna / Medicine | 1207 | 886 |
| MedWet | Medycyna weterynaryjna / Veterinary Medicine | 12 | 176 |
| meteo. | Meteorologia / Meteorology | 169 | 243 |
| mineral. | Mineralogia / Mineralogy | 23 | 162 |
| mitol. | Mitologia / Mythology | 225 | 543 |
| mot. | Motoryzacja / Automotive Engineering | 172 | 533 |
| muz. | Muzyka / Music | 293 | 1828 |
| mykol | Mykologia / Mycology | 32 | 123 |
| narko. | Narkotyk / Drugs | 13 | 293 |
| narzęd. | Narzędzia / Tools | 115 | 529 |
| nauka | Nauka / Academic Disciplines | 254 | 1728 |
| naut. | Nautyka / Nautical Science | 319 | 230 |
| neol. | Neologizm / Neologisms | 2 | 194 |
| nieruch. | Nieruchomość / Real Estate | 20 | 248 |
| nukl. | Nukleonika, Technika jądrowa / Nuclear Engineering | 5 | 195 |
| odzież | Odzież a moda / Clothing, Fashion | 278 | 477 |
| ogro. | Ogrodnictwo / Horticulture | 33 | 256 |
| onom. | Onomastyka / Names of Persons | 82 | 237 |
| optyka | Optyka / Optics | 28 | 186 |
| philos. | Filozofia / Philosophy | 94 | 1016 |
| piwo | Piwowarstwo / Brewing | 15 | 171 |
| podróż | Słownictwo związane z podróżą / Travellers vocabulary | 44 | 728 |
| pol. | Polityka / Politics | 542 | 1060 |
| PożRatun | Straż Pożarna & Ratunkowa / Firefighting & Rescue | 1 | 144 |
| prawo | Prawo / Law | 593 | 621 |
| przem | Przemysł / Industry | 16 | 536 |
| przysł. | Przysłowie / Proverb | 42 | 653 |
| psych. | Psychologia / Psychology | 62 | 970 |
| ptak | Ptak / Ornithology | 721 | 159 |
| rach. | Rachunkowość / Accounting | 12 | 438 |
| relig. | Religia / Religion | 685 | 725 |
| retor. | Retoryka / Rhetoric | 5 | 428 |
| roln. | Rolnictwo / Agriculture, Aquaculture | 173 | 307 |
| rower | Rower / Bicycle | 16 | 553 |
| ruch | Ruch drogowy / Traffic | 39 | 339 |
| ryba | Ryba / Ichthyology, fish, fishing | 76 | 116 |
| socjol. | Socjologia / Sociology | 199 | 583 |
| sport | Sport / Sports | 353 | 1000 |
| stat. | Statystyka / Statistics | 7 | 377 |
| sztuka | Sztuka / Art | 69 | 1271 |
| T | T / Taxonomic terms for animals, plants and fungi (incl. varieties and breeds) | 1777 | 17 |
| taniec | Taniec / Dance | 39 | 406 |
| teatr | Teatr / Theatre | 65 | 523 |
| tech. | Technika / Technology | 416 | 1356 |
| telekom. | Telekomunikacja / Telecommunications | 10 | 563 |
| textil. | Textilia / Textiles, Textile Industry | 23 | 168 |
| transp. | Transport lądowy / Transportation (Land Transport) | 3 | 363 |
| turys. | Turystyka / Travel Industry | 33 | 562 |
| TV | Telewizja i Radio / Radio and Television | 46 | 576 |
| ubez. | Ubezpieczenia / Insurance | 5 | 180 |
| UE | Unia europejska / European Union | 24 | 714 |
| urban. | Urbanistyka / Urban Planning | 3 | 254 |
| USD | UNESCO Światowe Dziedzictwo / UNESCO World Heritage | 16 | 284 |
| uzbr. | Uzbrojenie / Weapons | 73 | 417 |
| waluta | Waluta / Currencies | 22 | 281 |
| woj. | Wojsko / Military | 489 | 443 |
| wymiary | wymiary / Units, Measures, Weights | 48 | 454 |
| zabaw. | Zabawki / Toys | 36 | 241 |
| zawód | Zawód a rynek pracy / Jobs, Employment Market | 807 | 610 |
| zbroja | Zbroja / Historic Armour | 3 | 158 |
| zegary | Zegary / Watches, Clocks | 23 | 215 |
| zool. | Zoologia / Zoology, Animals | 812 | 694 |
| żywn. | żywność / Foodstuffs Industry | 13 | 321 |
