Subject  | Description | Entries | Users |
| admin | Administracja publiczna / (Public) Administration | 114 | 404 |
| akust. | Akustyka / Audiology | 1 | 194 |
| anat. | Anatomia / Human Anatomy | 287 | 503 |
| arch. | Architektura / Architecture | 126 | 466 |
| archeo. | Archeologia / Archaeology | 38 | 354 |
| astron. | Astronomia / Astronomy | 109 | 585 |
| astronau. | Astronautyka / Astronautics | 31 | 319 |
| bank. | Bankowość / Finance | 325 | 571 |
| bibl. | Biblijny / Biblical | 31 | 365 |
| biblio. | Bibliotekoznawstwo / Library Science | 3 | 181 |
| biochem. | Biochemia / Biochemistry | 23 | 317 |
| biol. | Biologia / Biology | 173 | 655 |
| biotech. | Biotechnologia / Biotechnology | 1 | 277 |
| bot. | Botanika / Botany, Plants | 537 | 397 |
| bud. | Budownictwo / Construction | 85 | 323 |
| chem. | Chemia / Chemistry | 322 | 525 |
| dent. | Dentystyka / Dental Medicine | 29 | 128 |
| druk. | Drukarstwo / Print, Typography, Layout | 30 | 270 |
| dzienn. | Dziennikarstwo / Journalism | 69 | 428 |
| eduk. | Edukacja / Education | 142 | 1179 |
| ekol. | Ekologia / Ecology, Environment | 63 | 700 |
| elektr. | Elektrotechnika, Elektronika / Electrical Engin., Electronics | 22 | 666 |
| enol. | Enologia / Oenology | 24 | 124 |
| entom. | Entomologia, Owadoznawstwo / Entomology | 100 | 103 |
| etno. | Etnologia / Ethnology | 237 | 267 |
| ezot. | Ezoteryka / Esotericism | 10 | 229 |
| F | Dzieła fikcji / Fiction: Names and Titles in Literature, Film, TV, Arts | 57 | 787 |
| farm. | Farmacja / Pharmacy | 69 | 285 |
| filat. | Filatelistyka / Philately | 1 | 59 |
| film | Film / Film | 122 | 1268 |
| fiz. | Fizyka / Physics | 162 | 779 |
| fonet. | Fonetyka / Phonetics | 6 | 392 |
| foto. | Fotografia / Photography | 61 | 805 |
| gastr. | Gastronomia / Gastronomy, Cooking | 679 | 640 |
| geogr. | Geografia / Geography | 826 | 821 |
| geol. | Geologia / Geology | 100 | 283 |
| giełda | Giełda Papierów Wartościowych / Stock Exchange | 2 | 251 |
| górn. | Górnictwo / Mining & Drilling | 33 | 109 |
| gospod. | Gospodarka / Economy | 100 | 893 |
| gramat. | Gramatyka / Linguistics | 115 | 1358 |
| gry | Gry / Games | 52 | 855 |
| handel | Handel / Commerce | 429 | 538 |
| herald. | Heraldyka / Heraldry | 7 | 98 |
| hist. | Historia / History | 191 | 1281 |
| idiom | Idiom / Idiom | 114 | 710 |
| inform. | Informatyka / Computer Sciences | 269 | 1566 |
| internet | Internet / Internet | 85 | 1395 |
| Inżbiom. | Inżynieria biomedyczna / Medical Engineering & Imaging | 3 | 245 |
| inży. | Inżynieria / Engineering | 11 | 904 |
| jeźdź. | Jeźdźiectwo / Equestrianism, Horses | 27 | 130 |
| kolej | Kolej / Rail | 55 | 213 |
| kosm. | Kosmetyka i higiena ciała / Cosmetics & Body Care | 24 | 253 |
| leśn. | Leśnictwo / Forestry | 23 | 164 |
| lit. | Literatura / Literature | 102 | 1182 |
| lot. | Lotnictwo / Aviation | 208 | 449 |
| łowiect. | Łowiectwo / Hunting | 7 | 129 |
| mat. | Matematyka / Mathematics | 223 | 778 |
| mebel | Meble / Furniture | 42 | 225 |
| med. | Medycyna / Medicine | 1061 | 806 |
| MedWet | Medycyna weterynaryjna / Veterinary Medicine | 8 | 165 |
| meteo. | Meteorologia / Meteorology | 155 | 218 |
| mineral. | Mineralogia / Mineralogy | 15 | 147 |
| mitol. | Mitologia / Mythology | 218 | 490 |
| mot. | Motoryzacja / Automotive Engineering | 171 | 480 |
| muz. | Muzyka / Music | 273 | 1682 |
| mykol | Mykologia / Mycology | 20 | 110 |
| narko. | Narkotyk / Drugs | 13 | 256 |
| narzęd. | Narzędzia / Tools | 106 | 467 |
| nauka | Nauka / Academic Disciplines | 129 | 1534 |
| naut. | Nautyka / Nautical Science | 317 | 211 |
| neol. | Neologizm / Neologisms | 1 | 195 |
| nieruch. | Nieruchomość / Real Estate | 19 | 236 |
| nukl. | Nukleonika, Technika jądrowa / Nuclear Engineering | 4 | 172 |
| odzież | Odzież a moda / Clothing, Fashion | 274 | 440 |
| ogro. | Ogrodnictwo / Horticulture | 31 | 239 |
| onom. | Onomastyka / Names of Persons | 4 | 210 |
| optyka | Optyka / Optics | 27 | 164 |
| philos. | Filozofia / Philosophy | 50 | 910 |
| piwo | Piwowarstwo / Brewing | 15 | 159 |
| podróż | Słownictwo związane z podróżą / Travellers vocabulary | 42 | 673 |
| pol. | Polityka / Politics | 477 | 948 |
| PożRatun | Straż Pożarna & Ratunkowa / Firefighting & Rescue | 1 | 126 |
| prawo | Prawo / Law | 582 | 580 |
| przem | Przemysł / Industry | 14 | 481 |
| przysł. | Przysłowie / Proverb | 42 | 593 |
| psych. | Psychologia / Psychology | 23 | 889 |
| ptak | Ptak / Ornithology | 520 | 141 |
| rach. | Rachunkowość / Accounting | 12 | 404 |
| relig. | Religia / Religion | 624 | 663 |
| retor. | Retoryka / Rhetoric | 1 | 395 |
| roln. | Rolnictwo / Agriculture, Aquaculture | 162 | 274 |
| rower | Rower / Bicycle | 16 | 497 |
| ruch | Ruch drogowy / Traffic | 40 | 304 |
| ryba | Ryba / Ichthyology, fish, fishing | 62 | 109 |
| socjol. | Socjologia / Sociology | 167 | 519 |
| sport | Sport / Sports | 348 | 931 |
| stat. | Statystyka / Statistics | 5 | 325 |
| sztuka | Sztuka / Art | 53 | 1157 |
| T | T / Taxonomic terms for animals, plants and fungi (incl. varieties and breeds) | 1464 | |
| taniec | Taniec / Dance | 39 | 380 |
| teatr | Teatr / Theatre | 61 | 489 |
| tech. | Technika / Technology | 412 | 1196 |
| telekom. | Telekomunikacja / Telecommunications | 9 | 523 |
| textil. | Textilia / Textiles, Textile Industry | 23 | 151 |
| transp. | Transport lądowy / Transportation (Land Transport) | 3 | 319 |
| turys. | Turystyka / Travel Industry | 26 | 519 |
| TV | Telewizja i Radio / Radio and Television | 45 | 542 |
| ubez. | Ubezpieczenia / Insurance | 5 | 164 |
| UE | Unia europejska / European Union | 21 | 650 |
| USD | UNESCO Światowe Dziedzictwo / UNESCO World Heritage | 16 | 257 |
| uzbr. | Uzbrojenie / Weapons | 72 | 379 |
| waluta | Waluta / Currencies | 21 | 252 |
| woj. | Wojsko / Military | 480 | 395 |
| wymiary | wymiary / Units, Measures, Weights | 48 | 416 |
| zabaw. | Zabawki / Toys | 34 | 214 |
| zawód | Zawód a rynek pracy / Jobs, Employment Market | 798 | 567 |
| zbroja | Zbroja / Historic Armour | 3 | 128 |
| zegary | Zegary / Watches, Clocks | 23 | 199 |
| zool. | Zoologia / Zoology, Animals | 753 | 650 |
