Subject  | Description | Entries | Users |
| admin | Administracja publiczna / (Public) Administration | 114 | 432 |
| akust. | Akustyka / Audiology | 1 | 216 |
| anat. | Anatomia / Human Anatomy | 294 | 541 |
| arch. | Architektura / Architecture | 137 | 506 |
| archeo. | Archeologia / Archaeology | 40 | 383 |
| astron. | Astronomia / Astronomy | 119 | 644 |
| astronau. | Astronautyka / Astronautics | 33 | 353 |
| bank. | Bankowość / Finance | 326 | 605 |
| bibl. | Biblijny / Biblical | 31 | 397 |
| biblio. | Bibliotekoznawstwo / Library Science | 8 | 201 |
| biochem. | Biochemia / Biochemistry | 72 | 348 |
| biol. | Biologia / Biology | 211 | 710 |
| biotech. | Biotechnologia / Biotechnology | 5 | 300 |
| bot. | Botanika / Botany, Plants | 576 | 423 |
| bud. | Budownictwo / Construction | 89 | 351 |
| chem. | Chemia / Chemistry | 355 | 569 |
| dent. | Dentystyka / Dental Medicine | 30 | 136 |
| druk. | Drukarstwo / Print, Typography, Layout | 33 | 288 |
| dzienn. | Dziennikarstwo / Journalism | 70 | 460 |
| eduk. | Edukacja / Education | 145 | 1264 |
| ekol. | Ekologia / Ecology, Environment | 77 | 753 |
| elektr. | Elektrotechnika, Elektronika / Electrical Engin., Electronics | 25 | 722 |
| enol. | Enologia / Oenology | 27 | 129 |
| entom. | Entomologia, Owadoznawstwo / Entomology | 107 | 111 |
| etno. | Etnologia / Ethnology | 246 | 289 |
| ezot. | Ezoteryka / Esotericism | 15 | 247 |
| F | Dzieła fikcji / Fiction: Names and Titles in Literature, Film, TV, Arts | 161 | 831 |
| farm. | Farmacja / Pharmacy | 107 | 299 |
| filat. | Filatelistyka / Philately | 1 | 65 |
| film | Film / Film | 151 | 1332 |
| fiz. | Fizyka / Physics | 177 | 834 |
| fonet. | Fonetyka / Phonetics | 7 | 428 |
| foto. | Fotografia / Photography | 61 | 852 |
| gastr. | Gastronomia / Gastronomy, Cooking | 688 | 681 |
| geogr. | Geografia / Geography | 842 | 897 |
| geol. | Geologia / Geology | 112 | 317 |
| giełda | Giełda Papierów Wartościowych / Stock Exchange | 2 | 270 |
| górn. | Górnictwo / Mining & Drilling | 33 | 116 |
| gospod. | Gospodarka / Economy | 106 | 958 |
| gramat. | Gramatyka / Linguistics | 126 | 1469 |
| gry | Gry / Games | 55 | 937 |
| handel | Handel / Commerce | 432 | 565 |
| herald. | Heraldyka / Heraldry | 7 | 113 |
| hist. | Historia / History | 209 | 1385 |
| idiom | Idiom / Idiom | 114 | 708 |
| inform. | Informatyka / Computer Sciences | 285 | 1696 |
| internet | Internet / Internet | 85 | 1506 |
| Inżbiom. | Inżynieria biomedyczna / Medical Engineering & Imaging | 13 | 267 |
| inży. | Inżynieria / Engineering | 12 | 977 |
| jeźdź. | Jeźdźiectwo / Equestrianism, Horses | 27 | 135 |
| kolej | Kolej / Rail | 56 | 224 |
| kosm. | Kosmetyka i higiena ciała / Cosmetics & Body Care | 26 | 269 |
| leśn. | Leśnictwo / Forestry | 24 | 180 |
| lit. | Literatura / Literature | 189 | 1286 |
| lot. | Lotnictwo / Aviation | 209 | 494 |
| łowiect. | Łowiectwo / Hunting | 8 | 135 |
| mat. | Matematyka / Mathematics | 240 | 854 |
| mebel | Meble / Furniture | 42 | 238 |
| med. | Medycyna / Medicine | 1124 | 871 |
| MedWet | Medycyna weterynaryjna / Veterinary Medicine | 11 | 172 |
| meteo. | Meteorologia / Meteorology | 160 | 239 |
| mineral. | Mineralogia / Mineralogy | 17 | 158 |
| mitol. | Mitologia / Mythology | 223 | 532 |
| mot. | Motoryzacja / Automotive Engineering | 172 | 519 |
| muz. | Muzyka / Music | 288 | 1790 |
| mykol | Mykologia / Mycology | 31 | 119 |
| narko. | Narkotyk / Drugs | 13 | 283 |
| narzęd. | Narzędzia / Tools | 113 | 512 |
| nauka | Nauka / Academic Disciplines | 187 | 1680 |
| naut. | Nautyka / Nautical Science | 319 | 225 |
| neol. | Neologizm / Neologisms | 2 | 194 |
| nieruch. | Nieruchomość / Real Estate | 20 | 244 |
| nukl. | Nukleonika, Technika jądrowa / Nuclear Engineering | 4 | 187 |
| odzież | Odzież a moda / Clothing, Fashion | 278 | 470 |
| ogro. | Ogrodnictwo / Horticulture | 32 | 253 |
| onom. | Onomastyka / Names of Persons | 79 | 229 |
| optyka | Optyka / Optics | 28 | 180 |
| philos. | Filozofia / Philosophy | 72 | 991 |
| piwo | Piwowarstwo / Brewing | 15 | 169 |
| podróż | Słownictwo związane z podróżą / Travellers vocabulary | 42 | 718 |
| pol. | Polityka / Politics | 522 | 1031 |
| PożRatun | Straż Pożarna & Ratunkowa / Firefighting & Rescue | 1 | 137 |
| prawo | Prawo / Law | 589 | 613 |
| przem | Przemysł / Industry | 14 | 521 |
| przysł. | Przysłowie / Proverb | 42 | 640 |
| psych. | Psychologia / Psychology | 52 | 949 |
| ptak | Ptak / Ornithology | 621 | 155 |
| rach. | Rachunkowość / Accounting | 12 | 429 |
| relig. | Religia / Religion | 656 | 706 |
| retor. | Retoryka / Rhetoric | 4 | 417 |
| roln. | Rolnictwo / Agriculture, Aquaculture | 169 | 303 |
| rower | Rower / Bicycle | 16 | 537 |
| ruch | Ruch drogowy / Traffic | 39 | 333 |
| ryba | Ryba / Ichthyology, fish, fishing | 76 | 115 |
| socjol. | Socjologia / Sociology | 182 | 567 |
| sport | Sport / Sports | 351 | 980 |
| stat. | Statystyka / Statistics | 7 | 368 |
| sztuka | Sztuka / Art | 59 | 1236 |
| T | T / Taxonomic terms for animals, plants and fungi (incl. varieties and breeds) | 1645 | 11 |
| taniec | Taniec / Dance | 39 | 399 |
| teatr | Teatr / Theatre | 65 | 514 |
| tech. | Technika / Technology | 414 | 1311 |
| telekom. | Telekomunikacja / Telecommunications | 9 | 553 |
| textil. | Textilia / Textiles, Textile Industry | 23 | 163 |
| transp. | Transport lądowy / Transportation (Land Transport) | 3 | 353 |
| turys. | Turystyka / Travel Industry | 32 | 549 |
| TV | Telewizja i Radio / Radio and Television | 45 | 570 |
| ubez. | Ubezpieczenia / Insurance | 5 | 177 |
| UE | Unia europejska / European Union | 21 | 692 |
| urban. | Urbanistyka / Urban Planning | 2 | 240 |
| USD | UNESCO Światowe Dziedzictwo / UNESCO World Heritage | 16 | 273 |
| uzbr. | Uzbrojenie / Weapons | 72 | 410 |
| waluta | Waluta / Currencies | 22 | 271 |
| woj. | Wojsko / Military | 486 | 433 |
| wymiary | wymiary / Units, Measures, Weights | 48 | 441 |
| zabaw. | Zabawki / Toys | 36 | 233 |
| zawód | Zawód a rynek pracy / Jobs, Employment Market | 803 | 597 |
| zbroja | Zbroja / Historic Armour | 3 | 149 |
| zegary | Zegary / Watches, Clocks | 23 | 211 |
| zool. | Zoologia / Zoology, Animals | 779 | 677 |
| żywn. | żywność / Foodstuffs Industry | 4 | 314 |
