Subject  | Description | Entries | Users |
| admin | Administracja publiczna / (Public) Administration | 114 | 436 |
| akust. | Akustyka / Audiology | 2 | 222 |
| anat. | Anatomia / Human Anatomy | 295 | 551 |
| arch. | Architektura / Architecture | 138 | 510 |
| archeo. | Archeologia / Archaeology | 43 | 390 |
| astron. | Astronomia / Astronomy | 125 | 664 |
| astronau. | Astronautyka / Astronautics | 33 | 364 |
| bank. | Bankowość / Finance | 327 | 608 |
| bibl. | Biblijny / Biblical | 32 | 407 |
| biblio. | Bibliotekoznawstwo / Library Science | 8 | 202 |
| biochem. | Biochemia / Biochemistry | 78 | 353 |
| biol. | Biologia / Biology | 216 | 719 |
| biotech. | Biotechnologia / Biotechnology | 5 | 306 |
| bot. | Botanika / Botany, Plants | 577 | 427 |
| bud. | Budownictwo / Construction | 89 | 354 |
| chem. | Chemia / Chemistry | 500 | 581 |
| dent. | Dentystyka / Dental Medicine | 30 | 137 |
| druk. | Drukarstwo / Print, Typography, Layout | 33 | 292 |
| dzienn. | Dziennikarstwo / Journalism | 70 | 468 |
| eduk. | Edukacja / Education | 145 | 1278 |
| ekol. | Ekologia / Ecology, Environment | 80 | 761 |
| elektr. | Elektrotechnika, Elektronika / Electrical Engin., Electronics | 29 | 735 |
| enol. | Enologia / Oenology | 27 | 130 |
| entom. | Entomologia, Owadoznawstwo / Entomology | 107 | 114 |
| etno. | Etnologia / Ethnology | 247 | 292 |
| ezot. | Ezoteryka / Esotericism | 15 | 250 |
| F | Dzieła fikcji / Fiction: Names and Titles in Literature, Film, TV, Arts | 161 | 842 |
| farm. | Farmacja / Pharmacy | 120 | 307 |
| filat. | Filatelistyka / Philately | 1 | 65 |
| film | Film / Film | 152 | 1343 |
| fiz. | Fizyka / Physics | 179 | 849 |
| fonet. | Fonetyka / Phonetics | 7 | 436 |
| foto. | Fotografia / Photography | 62 | 858 |
| gastr. | Gastronomia / Gastronomy, Cooking | 693 | 689 |
| geogr. | Geografia / Geography | 852 | 917 |
| geol. | Geologia / Geology | 117 | 325 |
| giełda | Giełda Papierów Wartościowych / Stock Exchange | 2 | 272 |
| górn. | Górnictwo / Mining & Drilling | 33 | 118 |
| gospod. | Gospodarka / Economy | 107 | 968 |
| gramat. | Gramatyka / Linguistics | 135 | 1492 |
| gry | Gry / Games | 55 | 956 |
| handel | Handel / Commerce | 434 | 570 |
| herald. | Heraldyka / Heraldry | 8 | 117 |
| hist. | Historia / History | 214 | 1410 |
| hydro. | Hydrologia & Hydrogeologia / Hydrology & Hydrogeology | 2 | 116 |
| idiom | Idiom / Idiom | 114 | 708 |
| inform. | Informatyka / Computer Sciences | 285 | 1724 |
| internet | Internet / Internet | 85 | 1524 |
| Inżbiom. | Inżynieria biomedyczna / Medical Engineering & Imaging | 16 | 272 |
| inży. | Inżynieria / Engineering | 12 | 1000 |
| jeźdź. | Jeźdźiectwo / Equestrianism, Horses | 27 | 136 |
| kolej | Kolej / Rail | 56 | 230 |
| kosm. | Kosmetyka i higiena ciała / Cosmetics & Body Care | 26 | 270 |
| leśn. | Leśnictwo / Forestry | 24 | 182 |
| lit. | Literatura / Literature | 189 | 1303 |
| lot. | Lotnictwo / Aviation | 209 | 505 |
| łowiect. | Łowiectwo / Hunting | 8 | 136 |
| mat. | Matematyka / Mathematics | 244 | 866 |
| mebel | Meble / Furniture | 42 | 242 |
| med. | Medycyna / Medicine | 1150 | 884 |
| MedWet | Medycyna weterynaryjna / Veterinary Medicine | 11 | 176 |
| meteo. | Meteorologia / Meteorology | 162 | 243 |
| mineral. | Mineralogia / Mineralogy | 18 | 161 |
| mitol. | Mitologia / Mythology | 223 | 540 |
| mot. | Motoryzacja / Automotive Engineering | 172 | 524 |
| muz. | Muzyka / Music | 289 | 1813 |
| mykol | Mykologia / Mycology | 31 | 121 |
| narko. | Narkotyk / Drugs | 13 | 287 |
| narzęd. | Narzędzia / Tools | 116 | 521 |
| nauka | Nauka / Academic Disciplines | 219 | 1705 |
| naut. | Nautyka / Nautical Science | 319 | 230 |
| neol. | Neologizm / Neologisms | 2 | 194 |
| nieruch. | Nieruchomość / Real Estate | 20 | 247 |
| nukl. | Nukleonika, Technika jądrowa / Nuclear Engineering | 4 | 193 |
| odzież | Odzież a moda / Clothing, Fashion | 278 | 473 |
| ogro. | Ogrodnictwo / Horticulture | 32 | 254 |
| onom. | Onomastyka / Names of Persons | 81 | 234 |
| optyka | Optyka / Optics | 28 | 185 |
| philos. | Filozofia / Philosophy | 77 | 1004 |
| piwo | Piwowarstwo / Brewing | 15 | 170 |
| podróż | Słownictwo związane z podróżą / Travellers vocabulary | 43 | 723 |
| pol. | Polityka / Politics | 527 | 1046 |
| PożRatun | Straż Pożarna & Ratunkowa / Firefighting & Rescue | 1 | 140 |
| prawo | Prawo / Law | 590 | 619 |
| przem | Przemysł / Industry | 14 | 530 |
| przysł. | Przysłowie / Proverb | 42 | 649 |
| psych. | Psychologia / Psychology | 55 | 961 |
| ptak | Ptak / Ornithology | 641 | 156 |
| rach. | Rachunkowość / Accounting | 12 | 434 |
| relig. | Religia / Religion | 664 | 717 |
| retor. | Retoryka / Rhetoric | 4 | 427 |
| roln. | Rolnictwo / Agriculture, Aquaculture | 170 | 306 |
| rower | Rower / Bicycle | 16 | 543 |
| ruch | Ruch drogowy / Traffic | 39 | 338 |
| ryba | Ryba / Ichthyology, fish, fishing | 76 | 115 |
| socjol. | Socjologia / Sociology | 187 | 580 |
| sport | Sport / Sports | 352 | 990 |
| stat. | Statystyka / Statistics | 7 | 374 |
| sztuka | Sztuka / Art | 59 | 1257 |
| T | T / Taxonomic terms for animals, plants and fungi (incl. varieties and breeds) | 1667 | 16 |
| taniec | Taniec / Dance | 39 | 404 |
| teatr | Teatr / Theatre | 65 | 519 |
| tech. | Technika / Technology | 415 | 1340 |
| telekom. | Telekomunikacja / Telecommunications | 10 | 558 |
| textil. | Textilia / Textiles, Textile Industry | 23 | 166 |
| transp. | Transport lądowy / Transportation (Land Transport) | 3 | 360 |
| turys. | Turystyka / Travel Industry | 32 | 557 |
| TV | Telewizja i Radio / Radio and Television | 45 | 573 |
| ubez. | Ubezpieczenia / Insurance | 5 | 179 |
| UE | Unia europejska / European Union | 21 | 704 |
| urban. | Urbanistyka / Urban Planning | 2 | 249 |
| USD | UNESCO Światowe Dziedzictwo / UNESCO World Heritage | 16 | 280 |
| uzbr. | Uzbrojenie / Weapons | 72 | 413 |
| waluta | Waluta / Currencies | 22 | 279 |
| woj. | Wojsko / Military | 487 | 439 |
| wymiary | wymiary / Units, Measures, Weights | 48 | 450 |
| zabaw. | Zabawki / Toys | 36 | 236 |
| zawód | Zawód a rynek pracy / Jobs, Employment Market | 803 | 603 |
| zbroja | Zbroja / Historic Armour | 3 | 154 |
| zegary | Zegary / Watches, Clocks | 23 | 215 |
| zool. | Zoologia / Zoology, Animals | 781 | 686 |
| żywn. | żywność / Foodstuffs Industry | 11 | 319 |
