Subject  | Description | Entries | Users |
| admin | Administracja publiczna / (Public) Administration | 114 | 409 |
| akust. | Akustyka / Audiology | 1 | 195 |
| anat. | Anatomia / Human Anatomy | 287 | 510 |
| arch. | Architektura / Architecture | 126 | 471 |
| archeo. | Archeologia / Archaeology | 38 | 361 |
| astron. | Astronomia / Astronomy | 109 | 591 |
| astronau. | Astronautyka / Astronautics | 31 | 321 |
| bank. | Bankowość / Finance | 325 | 575 |
| bibl. | Biblijny / Biblical | 31 | 369 |
| biblio. | Bibliotekoznawstwo / Library Science | 3 | 182 |
| biochem. | Biochemia / Biochemistry | 23 | 320 |
| biol. | Biologia / Biology | 176 | 660 |
| biotech. | Biotechnologia / Biotechnology | 4 | 280 |
| bot. | Botanika / Botany, Plants | 562 | 399 |
| bud. | Budownictwo / Construction | 85 | 324 |
| chem. | Chemia / Chemistry | 322 | 530 |
| dent. | Dentystyka / Dental Medicine | 29 | 129 |
| druk. | Drukarstwo / Print, Typography, Layout | 30 | 273 |
| dzienn. | Dziennikarstwo / Journalism | 70 | 431 |
| eduk. | Edukacja / Education | 142 | 1189 |
| ekol. | Ekologia / Ecology, Environment | 63 | 704 |
| elektr. | Elektrotechnika, Elektronika / Electrical Engin., Electronics | 22 | 671 |
| enol. | Enologia / Oenology | 24 | 126 |
| entom. | Entomologia, Owadoznawstwo / Entomology | 100 | 105 |
| etno. | Etnologia / Ethnology | 237 | 269 |
| ezot. | Ezoteryka / Esotericism | 10 | 230 |
| F | Dzieła fikcji / Fiction: Names and Titles in Literature, Film, TV, Arts | 75 | 792 |
| farm. | Farmacja / Pharmacy | 69 | 288 |
| filat. | Filatelistyka / Philately | 1 | 61 |
| film | Film / Film | 134 | 1275 |
| fiz. | Fizyka / Physics | 163 | 785 |
| fonet. | Fonetyka / Phonetics | 6 | 397 |
| foto. | Fotografia / Photography | 61 | 810 |
| gastr. | Gastronomia / Gastronomy, Cooking | 681 | 645 |
| geogr. | Geografia / Geography | 826 | 834 |
| geol. | Geologia / Geology | 100 | 288 |
| giełda | Giełda Papierów Wartościowych / Stock Exchange | 2 | 253 |
| górn. | Górnictwo / Mining & Drilling | 33 | 110 |
| gospod. | Gospodarka / Economy | 100 | 902 |
| gramat. | Gramatyka / Linguistics | 115 | 1370 |
| gry | Gry / Games | 53 | 865 |
| handel | Handel / Commerce | 429 | 542 |
| herald. | Heraldyka / Heraldry | 7 | 100 |
| hist. | Historia / History | 191 | 1296 |
| idiom | Idiom / Idiom | 114 | 710 |
| inform. | Informatyka / Computer Sciences | 269 | 1579 |
| internet | Internet / Internet | 85 | 1406 |
| Inżbiom. | Inżynieria biomedyczna / Medical Engineering & Imaging | 3 | 246 |
| inży. | Inżynieria / Engineering | 11 | 911 |
| jeźdź. | Jeźdźiectwo / Equestrianism, Horses | 27 | 131 |
| kolej | Kolej / Rail | 55 | 214 |
| kosm. | Kosmetyka i higiena ciała / Cosmetics & Body Care | 24 | 256 |
| leśn. | Leśnictwo / Forestry | 23 | 166 |
| lit. | Literatura / Literature | 108 | 1196 |
| lot. | Lotnictwo / Aviation | 208 | 452 |
| łowiect. | Łowiectwo / Hunting | 7 | 130 |
| mat. | Matematyka / Mathematics | 224 | 786 |
| mebel | Meble / Furniture | 42 | 228 |
| med. | Medycyna / Medicine | 1064 | 811 |
| MedWet | Medycyna weterynaryjna / Veterinary Medicine | 8 | 166 |
| meteo. | Meteorologia / Meteorology | 155 | 220 |
| mineral. | Mineralogia / Mineralogy | 15 | 148 |
| mitol. | Mitologia / Mythology | 218 | 495 |
| mot. | Motoryzacja / Automotive Engineering | 171 | 484 |
| muz. | Muzyka / Music | 273 | 1699 |
| mykol | Mykologia / Mycology | 20 | 113 |
| narko. | Narkotyk / Drugs | 13 | 260 |
| narzęd. | Narzędzia / Tools | 106 | 471 |
| nauka | Nauka / Academic Disciplines | 136 | 1549 |
| naut. | Nautyka / Nautical Science | 317 | 212 |
| neol. | Neologizm / Neologisms | 1 | 194 |
| nieruch. | Nieruchomość / Real Estate | 19 | 238 |
| nukl. | Nukleonika, Technika jądrowa / Nuclear Engineering | 4 | 174 |
| odzież | Odzież a moda / Clothing, Fashion | 274 | 446 |
| ogro. | Ogrodnictwo / Horticulture | 31 | 240 |
| onom. | Onomastyka / Names of Persons | 4 | 213 |
| optyka | Optyka / Optics | 27 | 167 |
| philos. | Filozofia / Philosophy | 57 | 919 |
| piwo | Piwowarstwo / Brewing | 15 | 160 |
| podróż | Słownictwo związane z podróżą / Travellers vocabulary | 42 | 677 |
| pol. | Polityka / Politics | 477 | 958 |
| PożRatun | Straż Pożarna & Ratunkowa / Firefighting & Rescue | 1 | 128 |
| prawo | Prawo / Law | 583 | 581 |
| przem | Przemysł / Industry | 14 | 485 |
| przysł. | Przysłowie / Proverb | 42 | 601 |
| psych. | Psychologia / Psychology | 24 | 893 |
| ptak | Ptak / Ornithology | 542 | 146 |
| rach. | Rachunkowość / Accounting | 12 | 411 |
| relig. | Religia / Religion | 627 | 668 |
| retor. | Retoryka / Rhetoric | 1 | 400 |
| roln. | Rolnictwo / Agriculture, Aquaculture | 162 | 278 |
| rower | Rower / Bicycle | 16 | 502 |
| ruch | Ruch drogowy / Traffic | 40 | 307 |
| ryba | Ryba / Ichthyology, fish, fishing | 62 | 110 |
| socjol. | Socjologia / Sociology | 168 | 525 |
| sport | Sport / Sports | 348 | 936 |
| stat. | Statystyka / Statistics | 5 | 332 |
| sztuka | Sztuka / Art | 54 | 1168 |
| T | T / Taxonomic terms for animals, plants and fungi (incl. varieties and breeds) | 1511 | 1 |
| taniec | Taniec / Dance | 39 | 382 |
| teatr | Teatr / Theatre | 61 | 491 |
| tech. | Technika / Technology | 412 | 1202 |
| telekom. | Telekomunikacja / Telecommunications | 9 | 526 |
| textil. | Textilia / Textiles, Textile Industry | 23 | 154 |
| transp. | Transport lądowy / Transportation (Land Transport) | 3 | 322 |
| turys. | Turystyka / Travel Industry | 26 | 521 |
| TV | Telewizja i Radio / Radio and Television | 45 | 544 |
| ubez. | Ubezpieczenia / Insurance | 5 | 166 |
| UE | Unia europejska / European Union | 21 | 653 |
| USD | UNESCO Światowe Dziedzictwo / UNESCO World Heritage | 16 | 260 |
| uzbr. | Uzbrojenie / Weapons | 72 | 382 |
| waluta | Waluta / Currencies | 21 | 255 |
| woj. | Wojsko / Military | 480 | 397 |
| wymiary | wymiary / Units, Measures, Weights | 48 | 421 |
| zabaw. | Zabawki / Toys | 34 | 217 |
| zawód | Zawód a rynek pracy / Jobs, Employment Market | 798 | 573 |
| zbroja | Zbroja / Historic Armour | 3 | 130 |
| zegary | Zegary / Watches, Clocks | 23 | 201 |
| zool. | Zoologia / Zoology, Animals | 753 | 654 |
