Subject  | Description | Entries | Users |
| admin | Administracja publiczna / (Public) Administration | 114 | 416 |
| akust. | Akustyka / Audiology | 1 | 201 |
| anat. | Anatomia / Human Anatomy | 290 | 517 |
| arch. | Architektura / Architecture | 129 | 476 |
| archeo. | Archeologia / Archaeology | 38 | 365 |
| astron. | Astronomia / Astronomy | 110 | 605 |
| astronau. | Astronautyka / Astronautics | 31 | 335 |
| bank. | Bankowość / Finance | 325 | 585 |
| bibl. | Biblijny / Biblical | 31 | 375 |
| biblio. | Bibliotekoznawstwo / Library Science | 5 | 187 |
| biochem. | Biochemia / Biochemistry | 23 | 324 |
| biol. | Biologia / Biology | 185 | 673 |
| biotech. | Biotechnologia / Biotechnology | 4 | 284 |
| bot. | Botanika / Botany, Plants | 568 | 406 |
| bud. | Budownictwo / Construction | 86 | 333 |
| chem. | Chemia / Chemistry | 323 | 538 |
| dent. | Dentystyka / Dental Medicine | 29 | 130 |
| druk. | Drukarstwo / Print, Typography, Layout | 30 | 276 |
| dzienn. | Dziennikarstwo / Journalism | 70 | 437 |
| eduk. | Edukacja / Education | 143 | 1203 |
| ekol. | Ekologia / Ecology, Environment | 68 | 721 |
| elektr. | Elektrotechnika, Elektronika / Electrical Engin., Electronics | 23 | 687 |
| enol. | Enologia / Oenology | 27 | 127 |
| entom. | Entomologia, Owadoznawstwo / Entomology | 105 | 109 |
| etno. | Etnologia / Ethnology | 237 | 280 |
| ezot. | Ezoteryka / Esotericism | 14 | 236 |
| F | Dzieła fikcji / Fiction: Names and Titles in Literature, Film, TV, Arts | 135 | 805 |
| farm. | Farmacja / Pharmacy | 72 | 292 |
| filat. | Filatelistyka / Philately | 1 | 63 |
| film | Film / Film | 141 | 1286 |
| fiz. | Fizyka / Physics | 167 | 800 |
| fonet. | Fonetyka / Phonetics | 6 | 403 |
| foto. | Fotografia / Photography | 61 | 820 |
| gastr. | Gastronomia / Gastronomy, Cooking | 682 | 657 |
| geogr. | Geografia / Geography | 835 | 853 |
| geol. | Geologia / Geology | 101 | 295 |
| giełda | Giełda Papierów Wartościowych / Stock Exchange | 2 | 256 |
| górn. | Górnictwo / Mining & Drilling | 33 | 112 |
| gospod. | Gospodarka / Economy | 103 | 915 |
| gramat. | Gramatyka / Linguistics | 116 | 1396 |
| gry | Gry / Games | 53 | 881 |
| handel | Handel / Commerce | 431 | 552 |
| herald. | Heraldyka / Heraldry | 7 | 105 |
| hist. | Historia / History | 194 | 1312 |
| idiom | Idiom / Idiom | 114 | 710 |
| inform. | Informatyka / Computer Sciences | 270 | 1616 |
| internet | Internet / Internet | 85 | 1425 |
| Inżbiom. | Inżynieria biomedyczna / Medical Engineering & Imaging | 3 | 250 |
| inży. | Inżynieria / Engineering | 12 | 929 |
| jeźdź. | Jeźdźiectwo / Equestrianism, Horses | 27 | 133 |
| kolej | Kolej / Rail | 55 | 217 |
| kosm. | Kosmetyka i higiena ciała / Cosmetics & Body Care | 24 | 261 |
| leśn. | Leśnictwo / Forestry | 24 | 171 |
| lit. | Literatura / Literature | 165 | 1218 |
| lot. | Lotnictwo / Aviation | 209 | 465 |
| łowiect. | Łowiectwo / Hunting | 7 | 131 |
| mat. | Matematyka / Mathematics | 226 | 802 |
| mebel | Meble / Furniture | 42 | 231 |
| med. | Medycyna / Medicine | 1075 | 823 |
| MedWet | Medycyna weterynaryjna / Veterinary Medicine | 8 | 169 |
| meteo. | Meteorologia / Meteorology | 157 | 224 |
| mineral. | Mineralogia / Mineralogy | 15 | 151 |
| mitol. | Mitologia / Mythology | 218 | 506 |
| mot. | Motoryzacja / Automotive Engineering | 171 | 496 |
| muz. | Muzyka / Music | 275 | 1723 |
| mykol | Mykologia / Mycology | 31 | 114 |
| narko. | Narkotyk / Drugs | 13 | 262 |
| narzęd. | Narzędzia / Tools | 106 | 478 |
| nauka | Nauka / Academic Disciplines | 164 | 1583 |
| naut. | Nautyka / Nautical Science | 317 | 216 |
| neol. | Neologizm / Neologisms | 1 | 194 |
| nieruch. | Nieruchomość / Real Estate | 19 | 239 |
| nukl. | Nukleonika, Technika jądrowa / Nuclear Engineering | 4 | 177 |
| odzież | Odzież a moda / Clothing, Fashion | 274 | 452 |
| ogro. | Ogrodnictwo / Horticulture | 32 | 245 |
| onom. | Onomastyka / Names of Persons | 4 | 217 |
| optyka | Optyka / Optics | 28 | 172 |
| philos. | Filozofia / Philosophy | 64 | 940 |
| piwo | Piwowarstwo / Brewing | 15 | 161 |
| podróż | Słownictwo związane z podróżą / Travellers vocabulary | 42 | 684 |
| pol. | Polityka / Politics | 493 | 973 |
| PożRatun | Straż Pożarna & Ratunkowa / Firefighting & Rescue | 1 | 131 |
| prawo | Prawo / Law | 583 | 583 |
| przem | Przemysł / Industry | 14 | 495 |
| przysł. | Przysłowie / Proverb | 42 | 610 |
| psych. | Psychologia / Psychology | 29 | 903 |
| ptak | Ptak / Ornithology | 560 | 148 |
| rach. | Rachunkowość / Accounting | 12 | 416 |
| relig. | Religia / Religion | 639 | 677 |
| retor. | Retoryka / Rhetoric | 1 | 403 |
| roln. | Rolnictwo / Agriculture, Aquaculture | 168 | 286 |
| rower | Rower / Bicycle | 16 | 512 |
| ruch | Ruch drogowy / Traffic | 40 | 312 |
| ryba | Ryba / Ichthyology, fish, fishing | 72 | 111 |
| socjol. | Socjologia / Sociology | 170 | 533 |
| sport | Sport / Sports | 348 | 949 |
| stat. | Statystyka / Statistics | 5 | 339 |
| sztuka | Sztuka / Art | 54 | 1185 |
| T | T / Taxonomic terms for animals, plants and fungi (incl. varieties and breeds) | 1555 | 6 |
| taniec | Taniec / Dance | 39 | 383 |
| teatr | Teatr / Theatre | 63 | 497 |
| tech. | Technika / Technology | 414 | 1227 |
| telekom. | Telekomunikacja / Telecommunications | 9 | 532 |
| textil. | Textilia / Textiles, Textile Industry | 23 | 157 |
| transp. | Transport lądowy / Transportation (Land Transport) | 3 | 330 |
| turys. | Turystyka / Travel Industry | 28 | 530 |
| TV | Telewizja i Radio / Radio and Television | 45 | 552 |
| ubez. | Ubezpieczenia / Insurance | 5 | 168 |
| UE | Unia europejska / European Union | 21 | 664 |
| urban. | Urbanistyka / Urban Planning | 1 | 226 |
| USD | UNESCO Światowe Dziedzictwo / UNESCO World Heritage | 16 | 262 |
| uzbr. | Uzbrojenie / Weapons | 72 | 386 |
| waluta | Waluta / Currencies | 21 | 260 |
| woj. | Wojsko / Military | 481 | 402 |
| wymiary | wymiary / Units, Measures, Weights | 48 | 425 |
| zabaw. | Zabawki / Toys | 34 | 222 |
| zawód | Zawód a rynek pracy / Jobs, Employment Market | 799 | 580 |
| zbroja | Zbroja / Historic Armour | 3 | 135 |
| zegary | Zegary / Watches, Clocks | 23 | 203 |
| zool. | Zoologia / Zoology, Animals | 756 | 659 |
