Subject  | Description | Entries | Users |
| admin | Administracja publiczna / (Public) Administration | 117 | 445 |
| akust. | Akustyka / Audiology | 2 | 232 |
| anat. | Anatomia / Human Anatomy | 297 | 560 |
| arch. | Architektura / Architecture | 143 | 521 |
| archeo. | Archeologia / Archaeology | 53 | 397 |
| astron. | Astronomia / Astronomy | 151 | 678 |
| astronau. | Astronautyka / Astronautics | 33 | 374 |
| bank. | Bankowość / Finance | 330 | 619 |
| bibl. | Biblijny / Biblical | 32 | 415 |
| biblio. | Bibliotekoznawstwo / Library Science | 9 | 205 |
| biochem. | Biochemia / Biochemistry | 90 | 359 |
| biol. | Biologia / Biology | 251 | 733 |
| biotech. | Biotechnologia / Biotechnology | 6 | 310 |
| bot. | Botanika / Botany, Plants | 590 | 439 |
| bud. | Budownictwo / Construction | 93 | 359 |
| chem. | Chemia / Chemistry | 531 | 595 |
| dent. | Dentystyka / Dental Medicine | 30 | 137 |
| druk. | Drukarstwo / Print, Typography, Layout | 33 | 299 |
| dzienn. | Dziennikarstwo / Journalism | 73 | 475 |
| eduk. | Edukacja / Education | 150 | 1303 |
| ekol. | Ekologia / Ecology, Environment | 82 | 773 |
| elektr. | Elektrotechnika, Elektronika / Electrical Engin., Electronics | 32 | 750 |
| enol. | Enologia / Oenology | 29 | 131 |
| entom. | Entomologia, Owadoznawstwo / Entomology | 112 | 117 |
| etno. | Etnologia / Ethnology | 252 | 296 |
| ezot. | Ezoteryka / Esotericism | 18 | 256 |
| F | Dzieła fikcji / Fiction: Names and Titles in Literature, Film, TV, Arts | 175 | 859 |
| farm. | Farmacja / Pharmacy | 122 | 310 |
| filat. | Filatelistyka / Philately | 1 | 65 |
| film | Film / Film | 162 | 1367 |
| fiz. | Fizyka / Physics | 197 | 867 |
| fonet. | Fonetyka / Phonetics | 7 | 448 |
| foto. | Fotografia / Photography | 64 | 867 |
| gastr. | Gastronomia / Gastronomy, Cooking | 707 | 701 |
| geogr. | Geografia / Geography | 907 | 932 |
| geol. | Geologia / Geology | 131 | 331 |
| giełda | Giełda Papierów Wartościowych / Stock Exchange | 2 | 277 |
| górn. | Górnictwo / Mining & Drilling | 33 | 118 |
| gospod. | Gospodarka / Economy | 113 | 985 |
| gramat. | Gramatyka / Linguistics | 145 | 1525 |
| gry | Gry / Games | 56 | 983 |
| handel | Handel / Commerce | 438 | 576 |
| herald. | Heraldyka / Heraldry | 8 | 120 |
| hist. | Historia / History | 244 | 1441 |
| hydro. | Hydrologia & Hydrogeologia / Hydrology & Hydrogeology | 5 | 118 |
| idiom | Idiom / Idiom | 114 | 708 |
| inform. | Informatyka / Computer Sciences | 291 | 1770 |
| internet | Internet / Internet | 89 | 1552 |
| Inżbiom. | Inżynieria biomedyczna / Medical Engineering & Imaging | 17 | 273 |
| inży. | Inżynieria / Engineering | 13 | 1031 |
| jeźdź. | Jeźdźiectwo / Equestrianism, Horses | 28 | 139 |
| kolej | Kolej / Rail | 56 | 237 |
| kosm. | Kosmetyka i higiena ciała / Cosmetics & Body Care | 27 | 276 |
| leśn. | Leśnictwo / Forestry | 24 | 183 |
| lit. | Literatura / Literature | 201 | 1333 |
| lot. | Lotnictwo / Aviation | 213 | 512 |
| łowiect. | Łowiectwo / Hunting | 8 | 136 |
| mat. | Matematyka / Mathematics | 252 | 893 |
| mebel | Meble / Furniture | 43 | 246 |
| med. | Medycyna / Medicine | 1216 | 897 |
| MedWet | Medycyna weterynaryjna / Veterinary Medicine | 13 | 176 |
| meteo. | Meteorologia / Meteorology | 172 | 249 |
| mineral. | Mineralogia / Mineralogy | 23 | 164 |
| mitol. | Mitologia / Mythology | 225 | 548 |
| mot. | Motoryzacja / Automotive Engineering | 172 | 537 |
| muz. | Muzyka / Music | 293 | 1849 |
| mykol | Mykologia / Mycology | 32 | 124 |
| narko. | Narkotyk / Drugs | 13 | 295 |
| narzęd. | Narzędzia / Tools | 115 | 535 |
| nauka | Nauka / Academic Disciplines | 261 | 1747 |
| naut. | Nautyka / Nautical Science | 322 | 231 |
| neol. | Neologizm / Neologisms | 2 | 194 |
| nieruch. | Nieruchomość / Real Estate | 20 | 249 |
| nukl. | Nukleonika, Technika jądrowa / Nuclear Engineering | 5 | 196 |
| odzież | Odzież a moda / Clothing, Fashion | 278 | 484 |
| ogro. | Ogrodnictwo / Horticulture | 33 | 259 |
| onom. | Onomastyka / Names of Persons | 83 | 242 |
| optyka | Optyka / Optics | 28 | 187 |
| philos. | Filozofia / Philosophy | 97 | 1026 |
| piwo | Piwowarstwo / Brewing | 15 | 173 |
| podróż | Słownictwo związane z podróżą / Travellers vocabulary | 45 | 735 |
| pol. | Polityka / Politics | 552 | 1069 |
| PożRatun | Straż Pożarna & Ratunkowa / Firefighting & Rescue | 1 | 146 |
| prawo | Prawo / Law | 595 | 629 |
| przem | Przemysł / Industry | 16 | 542 |
| przysł. | Przysłowie / Proverb | 42 | 655 |
| psych. | Psychologia / Psychology | 63 | 980 |
| ptak | Ptak / Ornithology | 789 | 161 |
| rach. | Rachunkowość / Accounting | 12 | 439 |
| relig. | Religia / Religion | 689 | 731 |
| retor. | Retoryka / Rhetoric | 5 | 432 |
| roln. | Rolnictwo / Agriculture, Aquaculture | 173 | 309 |
| rower | Rower / Bicycle | 16 | 558 |
| ruch | Ruch drogowy / Traffic | 40 | 340 |
| ryba | Ryba / Ichthyology, fish, fishing | 83 | 116 |
| socjol. | Socjologia / Sociology | 201 | 590 |
| sport | Sport / Sports | 354 | 1006 |
| stat. | Statystyka / Statistics | 7 | 385 |
| sztuka | Sztuka / Art | 72 | 1286 |
| T | T / Taxonomic terms for animals, plants and fungi (incl. varieties and breeds) | 1943 | 17 |
| taniec | Taniec / Dance | 39 | 409 |
| teatr | Teatr / Theatre | 65 | 530 |
| tech. | Technika / Technology | 419 | 1374 |
| telekom. | Telekomunikacja / Telecommunications | 10 | 566 |
| textil. | Textilia / Textiles, Textile Industry | 23 | 169 |
| transp. | Transport lądowy / Transportation (Land Transport) | 3 | 365 |
| turys. | Turystyka / Travel Industry | 33 | 566 |
| TV | Telewizja i Radio / Radio and Television | 46 | 578 |
| ubez. | Ubezpieczenia / Insurance | 5 | 181 |
| UE | Unia europejska / European Union | 24 | 726 |
| urban. | Urbanistyka / Urban Planning | 3 | 257 |
| USD | UNESCO Światowe Dziedzictwo / UNESCO World Heritage | 16 | 288 |
| uzbr. | Uzbrojenie / Weapons | 73 | 421 |
| waluta | Waluta / Currencies | 22 | 281 |
| woj. | Wojsko / Military | 491 | 446 |
| wymiary | wymiary / Units, Measures, Weights | 48 | 456 |
| zabaw. | Zabawki / Toys | 36 | 242 |
| zawód | Zawód a rynek pracy / Jobs, Employment Market | 808 | 615 |
| zbroja | Zbroja / Historic Armour | 3 | 161 |
| zegary | Zegary / Watches, Clocks | 23 | 216 |
| zool. | Zoologia / Zoology, Animals | 901 | 697 |
| żywn. | żywność / Foodstuffs Industry | 16 | 322 |
