Subject  | Description | Entries | Users |
| admin | Administracja publiczna / (Public) Administration | 99 | 365 |
| akust. | Akustyka / Audiology | 1 | 172 |
| anat. | Anatomia / Human Anatomy | 267 | 435 |
| arch. | Architektura / Architecture | 123 | 414 |
| archeo. | Archeologia / Archaeology | 34 | 317 |
| astron. | Astronomia / Astronomy | 95 | 509 |
| astronau. | Astronautyka / Astronautics | 28 | 268 |
| bank. | Bankowość / Finance | 315 | 521 |
| bibl. | Biblijny / Biblical | 30 | 331 |
| biblio. | Bibliotekoznawstwo / Library Science | 2 | 163 |
| biochem. | Biochemia / Biochemistry | 11 | 270 |
| biol. | Biologia / Biology | 135 | 570 |
| biotech. | Biotechnologia / Biotechnology | 1 | 240 |
| bot. | Botanika / Botany, Plants | 473 | 354 |
| bud. | Budownictwo / Construction | 71 | 292 |
| chem. | Chemia / Chemistry | 312 | 461 |
| dent. | Dentystyka / Dental Medicine | 27 | 115 |
| druk. | Drukarstwo / Print, Typography, Layout | 28 | 243 |
| dzienn. | Dziennikarstwo / Journalism | 66 | 383 |
| eduk. | Edukacja / Education | 130 | 1068 |
| ekol. | Ekologia / Ecology, Environment | 57 | 628 |
| elektr. | Elektrotechnika, Elektronika / Electrical Engin., Electronics | 17 | 606 |
| enol. | Enologia / Oenology | 24 | 116 |
| entom. | Entomologia, Owadoznawstwo / Entomology | 75 | 89 |
| etno. | Etnologia / Ethnology | 232 | 238 |
| ezot. | Ezoteryka / Esotericism | 6 | 208 |
| F | Dzieła fikcji / Fiction: Names and Titles in Literature, Film, TV, Arts | 56 | 718 |
| farm. | Farmacja / Pharmacy | 67 | 245 |
| film | Film / Film | 120 | 1163 |
| fiz. | Fizyka / Physics | 150 | 682 |
| fonet. | Fonetyka / Phonetics | 1 | 345 |
| foto. | Fotografia / Photography | 58 | 731 |
| gastr. | Gastronomia / Gastronomy, Cooking | 604 | 577 |
| geogr. | Geografia / Geography | 770 | 725 |
| geol. | Geologia / Geology | 89 | 250 |
| górn. | Górnictwo / Mining & Drilling | 32 | 95 |
| gospod. | Gospodarka / Economy | 92 | 802 |
| gramat. | Gramatyka / Linguistics | 106 | 1207 |
| gry | Gry / Games | 50 | 756 |
| handel | Handel / Commerce | 388 | 492 |
| herald. | Heraldyka / Heraldry | 6 | 88 |
| hist. | Historia / History | 183 | 1137 |
| idiom | Idiom / Idiom | 114 | 718 |
| inform. | Informatyka / Computer Sciences | 257 | 1387 |
| internet | Internet / Internet | 74 | 1252 |
| Inżbiom. | Inżynieria biomedyczna / Medical Engineering & Imaging | 1 | 216 |
| inży. | Inżynieria / Engineering | 4 | 806 |
| jeźdź. | Jeźdźiectwo / Equestrianism, Horses | 27 | 120 |
| kolej | Kolej / Rail | 44 | 186 |
| kosm. | Kosmetyka i higiena ciała / Cosmetics & Body Care | 22 | 232 |
| leśn. | Leśnictwo / Forestry | 19 | 144 |
| lit. | Literatura / Literature | 91 | 1066 |
| lot. | Lotnictwo / Aviation | 188 | 404 |
| łowiect. | Łowiectwo / Hunting | 5 | 110 |
| mat. | Matematyka / Mathematics | 202 | 682 |
| mebel | Meble / Furniture | 32 | 200 |
| med. | Medycyna / Medicine | 982 | 713 |
| MedWet | Medycyna weterynaryjna / Veterinary Medicine | 7 | 146 |
| meteo. | Meteorologia / Meteorology | 150 | 192 |
| mineral. | Mineralogia / Mineralogy | 7 | 129 |
| mitol. | Mitologia / Mythology | 218 | 442 |
| mot. | Motoryzacja / Automotive Engineering | 160 | 432 |
| muz. | Muzyka / Music | 233 | 1533 |
| mykol | Mykologia / Mycology | 14 | 93 |
| narko. | Narkotyk / Drugs | 13 | 222 |
| narzęd. | Narzędzia / Tools | 102 | 406 |
| nauka | Nauka / Academic Disciplines | 86 | 1365 |
| naut. | Nautyka / Nautical Science | 306 | 190 |
| neol. | Neologizm / Neologisms | 1 | 197 |
| nieruch. | Nieruchomość / Real Estate | 14 | 208 |
| nukl. | Nukleonika, Technika jądrowa / Nuclear Engineering | 3 | 149 |
| odzież | Odzież a moda / Clothing, Fashion | 236 | 392 |
| ogro. | Ogrodnictwo / Horticulture | 26 | 215 |
| onom. | Onomastyka / Names of Persons | 4 | 171 |
| optyka | Optyka / Optics | 27 | 140 |
| philos. | Filozofia / Philosophy | 41 | 809 |
| piwo | Piwowarstwo / Brewing | 15 | 140 |
| podróż | Słownictwo związane z podróżą / Travellers vocabulary | 42 | 605 |
| pol. | Polityka / Politics | 438 | 833 |
| prawo | Prawo / Law | 566 | 524 |
| przem | Przemysł / Industry | 7 | 431 |
| przysł. | Przysłowie / Proverb | 42 | 547 |
| psych. | Psychologia / Psychology | 16 | 799 |
| ptak | Ptak / Ornithology | 438 | 115 |
| rach. | Rachunkowość / Accounting | 12 | 362 |
| relig. | Religia / Religion | 576 | 603 |
| roln. | Rolnictwo / Agriculture, Aquaculture | 156 | 244 |
| rower | Rower / Bicycle | 13 | 435 |
| ruch | Ruch drogowy / Traffic | 33 | 271 |
| ryba | Ryba / Ichthyology, fish, fishing | 52 | 96 |
| socjol. | Socjologia / Sociology | 162 | 474 |
| sport | Sport / Sports | 327 | 851 |
| stat. | Statystyka / Statistics | 5 | 281 |
| sztuka | Sztuka / Art | 51 | 1059 |
| taniec | Taniec / Dance | 36 | 345 |
| teatr | Teatr / Theatre | 61 | 446 |
| tech. | Technika / Technology | 405 | 1059 |
| textil. | Textilia / Textiles, Textile Industry | 21 | 135 |
| transp. | Transport lądowy / Transportation (Land Transport) | 3 | 280 |
| turys. | Turystyka / Travel Industry | 17 | 465 |
| TV | Telewizja i Radio / Radio and Television | 41 | 492 |
| ubez. | Ubezpieczenia / Insurance | 4 | 140 |
| UE | Unia europejska / European Union | 21 | 573 |
| USD | UNESCO Światowe Dziedzictwo / UNESCO World Heritage | 16 | 227 |
| uzbr. | Uzbrojenie / Weapons | 71 | 334 |
| waluta | Waluta / Currencies | 21 | 213 |
| woj. | Wojsko / Military | 456 | 344 |
| wymiary | wymiary / Units, Measures, Weights | 48 | 366 |
| zabaw. | Zabawki / Toys | 34 | 186 |
| zawód | Zawód a rynek pracy / Jobs, Employment Market | 719 | 505 |
| zbroja | Zbroja / Historic Armour | 3 | 111 |
| zegary | Zegary / Watches, Clocks | 23 | 176 |
| zool. | Zoologia / Zoology, Animals | 632 | 587 |
