Subject  | Description | Entries | Users |
| admin | Administracja publiczna / (Public) Administration | 99 | 347 |
| akust. | Akustyka / Audiology | 1 | 162 |
| anat. | Anatomia / Human Anatomy | 267 | 404 |
| arch. | Architektura / Architecture | 123 | 395 |
| archeo. | Archeologia / Archaeology | 34 | 302 |
| astron. | Astronomia / Astronomy | 95 | 483 |
| astronau. | Astronautyka / Astronautics | 28 | 256 |
| bank. | Bankowość / Finance | 315 | 503 |
| bibl. | Biblijny / Biblical | 30 | 320 |
| biblio. | Bibliotekoznawstwo / Library Science | 2 | 157 |
| biochem. | Biochemia / Biochemistry | 11 | 259 |
| biol. | Biologia / Biology | 135 | 536 |
| biotech. | Biotechnologia / Biotechnology | 1 | 224 |
| bot. | Botanika / Botany, Plants | 472 | 330 |
| bud. | Budownictwo / Construction | 71 | 284 |
| chem. | Chemia / Chemistry | 312 | 447 |
| dent. | Dentystyka / Dental Medicine | 27 | 111 |
| druk. | Drukarstwo / Print, Typography, Layout | 28 | 229 |
| dzienn. | Dziennikarstwo / Journalism | 66 | 363 |
| eduk. | Edukacja / Education | 130 | 1018 |
| ekol. | Ekologia / Ecology, Environment | 57 | 597 |
| elektr. | Elektrotechnika, Elektronika / Electrical Engin., Electronics | 17 | 584 |
| enol. | Enologia / Oenology | 24 | 111 |
| entom. | Entomologia, Owadoznawstwo / Entomology | 64 | 81 |
| etno. | Etnologia / Ethnology | 232 | 230 |
| ezot. | Ezoteryka / Esotericism | 5 | 199 |
| F | Dzieła fikcji / Fiction: Names and Titles in Literature, Film, TV, Arts | 56 | 687 |
| farm. | Farmacja / Pharmacy | 67 | 235 |
| film | Film / Film | 119 | 1116 |
| fiz. | Fizyka / Physics | 150 | 648 |
| fonet. | Fonetyka / Phonetics | 1 | 321 |
| foto. | Fotografia / Photography | 59 | 696 |
| gastr. | Gastronomia / Gastronomy, Cooking | 604 | 549 |
| geogr. | Geografia / Geography | 768 | 695 |
| geol. | Geologia / Geology | 89 | 237 |
| górn. | Górnictwo / Mining & Drilling | 32 | 93 |
| gospod. | Gospodarka / Economy | 92 | 766 |
| gramat. | Gramatyka / Linguistics | 106 | 1154 |
| gry | Gry / Games | 50 | 718 |
| handel | Handel / Commerce | 388 | 471 |
| herald. | Heraldyka / Heraldry | 6 | 83 |
| hist. | Historia / History | 172 | 1082 |
| idiom | Idiom / Idiom | 114 | 720 |
| inform. | Informatyka / Computer Sciences | 256 | 1327 |
| internet | Internet / Internet | 74 | 1200 |
| Inżbiom. | Inżynieria biomedyczna / Medical Engineering & Imaging | 1 | 206 |
| inży. | Inżynieria / Engineering | 4 | 769 |
| jeźdź. | Jeźdźiectwo / Equestrianism, Horses | 27 | 113 |
| kolej | Kolej / Rail | 44 | 178 |
| kosm. | Kosmetyka i higiena ciała / Cosmetics & Body Care | 22 | 218 |
| leśn. | Leśnictwo / Forestry | 19 | 134 |
| lit. | Literatura / Literature | 82 | 1024 |
| lot. | Lotnictwo / Aviation | 188 | 385 |
| łowiect. | Łowiectwo / Hunting | 5 | 102 |
| mat. | Matematyka / Mathematics | 201 | 654 |
| mebel | Meble / Furniture | 32 | 193 |
| med. | Medycyna / Medicine | 982 | 678 |
| MedWet | Medycyna weterynaryjna / Veterinary Medicine | 7 | 141 |
| meteo. | Meteorologia / Meteorology | 150 | 184 |
| mineral. | Mineralogia / Mineralogy | 7 | 124 |
| mitol. | Mitologia / Mythology | 67 | 425 |
| mot. | Motoryzacja / Automotive Engineering | 160 | 409 |
| muz. | Muzyka / Music | 233 | 1472 |
| mykol | Mykologia / Mycology | 14 | 85 |
| narko. | Narkotyk / Drugs | 13 | 208 |
| narzęd. | Narzędzia / Tools | 102 | 384 |
| nauka | Nauka / Academic Disciplines | 86 | 1300 |
| naut. | Nautyka / Nautical Science | 306 | 181 |
| neol. | Neologizm / Neologisms | 1 | 197 |
| nieruch. | Nieruchomość / Real Estate | 14 | 199 |
| nukl. | Nukleonika, Technika jądrowa / Nuclear Engineering | 3 | 143 |
| odzież | Odzież a moda / Clothing, Fashion | 237 | 373 |
| ogro. | Ogrodnictwo / Horticulture | 26 | 203 |
| onom. | Onomastyka / Names of Persons | 4 | 158 |
| optyka | Optyka / Optics | 27 | 135 |
| philos. | Filozofia / Philosophy | 41 | 768 |
| piwo | Piwowarstwo / Brewing | 15 | 131 |
| podróż | Słownictwo związane z podróżą / Travellers vocabulary | 42 | 581 |
| pol. | Polityka / Politics | 435 | 787 |
| prawo | Prawo / Law | 566 | 503 |
| przem | Przemysł / Industry | 7 | 409 |
| przysł. | Przysłowie / Proverb | 42 | 515 |
| psych. | Psychologia / Psychology | 16 | 763 |
| ptak | Ptak / Ornithology | 375 | 104 |
| rach. | Rachunkowość / Accounting | 12 | 348 |
| relig. | Religia / Religion | 558 | 580 |
| roln. | Rolnictwo / Agriculture, Aquaculture | 155 | 227 |
| rower | Rower / Bicycle | 13 | 413 |
| ruch | Ruch drogowy / Traffic | 33 | 258 |
| ryba | Ryba / Ichthyology, fish, fishing | 42 | 88 |
| socjol. | Socjologia / Sociology | 162 | 453 |
| sport | Sport / Sports | 327 | 822 |
| stat. | Statystyka / Statistics | 5 | 272 |
| sztuka | Sztuka / Art | 48 | 1010 |
| taniec | Taniec / Dance | 36 | 334 |
| teatr | Teatr / Theatre | 55 | 429 |
| tech. | Technika / Technology | 405 | 1012 |
| textil. | Textilia / Textiles, Textile Industry | 21 | 128 |
| transp. | Transport lądowy / Transportation (Land Transport) | 3 | 271 |
| turys. | Turystyka / Travel Industry | 17 | 442 |
| TV | Telewizja i Radio / Radio and Television | 41 | 464 |
| ubez. | Ubezpieczenia / Insurance | 4 | 135 |
| UE | Unia europejska / European Union | 21 | 545 |
| USD | UNESCO Światowe Dziedzictwo / UNESCO World Heritage | 16 | 216 |
| uzbr. | Uzbrojenie / Weapons | 71 | 311 |
| waluta | Waluta / Currencies | 21 | 202 |
| woj. | Wojsko / Military | 456 | 325 |
| wymiary | wymiary / Units, Measures, Weights | 48 | 344 |
| zabaw. | Zabawki / Toys | 34 | 179 |
| zawód | Zawód a rynek pracy / Jobs, Employment Market | 719 | 486 |
| zbroja | Zbroja / Historic Armour | 3 | 103 |
| zegary | Zegary / Watches, Clocks | 23 | 169 |
| zool. | Zoologia / Zoology, Animals | 622 | 558 |
| żywn. | żywność / Foodstuffs Industry | 1 | 253 |
