Subject  | Description | Entries | Users |
| admin | Administracja publiczna / (Public) Administration | 114 | 426 |
| akust. | Akustyka / Audiology | 1 | 212 |
| anat. | Anatomia / Human Anatomy | 293 | 535 |
| arch. | Architektura / Architecture | 137 | 499 |
| archeo. | Archeologia / Archaeology | 39 | 379 |
| astron. | Astronomia / Astronomy | 117 | 636 |
| astronau. | Astronautyka / Astronautics | 33 | 348 |
| bank. | Bankowość / Finance | 326 | 600 |
| bibl. | Biblijny / Biblical | 31 | 394 |
| biblio. | Bibliotekoznawstwo / Library Science | 8 | 197 |
| biochem. | Biochemia / Biochemistry | 25 | 341 |
| biol. | Biologia / Biology | 198 | 702 |
| biotech. | Biotechnologia / Biotechnology | 4 | 295 |
| bot. | Botanika / Botany, Plants | 571 | 418 |
| bud. | Budownictwo / Construction | 89 | 348 |
| chem. | Chemia / Chemistry | 328 | 561 |
| dent. | Dentystyka / Dental Medicine | 30 | 134 |
| druk. | Drukarstwo / Print, Typography, Layout | 32 | 285 |
| dzienn. | Dziennikarstwo / Journalism | 70 | 456 |
| eduk. | Edukacja / Education | 145 | 1255 |
| ekol. | Ekologia / Ecology, Environment | 72 | 747 |
| elektr. | Elektrotechnika, Elektronika / Electrical Engin., Electronics | 24 | 715 |
| enol. | Enologia / Oenology | 27 | 126 |
| entom. | Entomologia, Owadoznawstwo / Entomology | 106 | 110 |
| etno. | Etnologia / Ethnology | 244 | 286 |
| ezot. | Ezoteryka / Esotericism | 15 | 245 |
| F | Dzieła fikcji / Fiction: Names and Titles in Literature, Film, TV, Arts | 161 | 828 |
| farm. | Farmacja / Pharmacy | 73 | 294 |
| filat. | Filatelistyka / Philately | 1 | 64 |
| film | Film / Film | 151 | 1323 |
| fiz. | Fizyka / Physics | 174 | 823 |
| fonet. | Fonetyka / Phonetics | 7 | 423 |
| foto. | Fotografia / Photography | 61 | 844 |
| gastr. | Gastronomia / Gastronomy, Cooking | 688 | 675 |
| geogr. | Geografia / Geography | 840 | 886 |
| geol. | Geologia / Geology | 109 | 310 |
| giełda | Giełda Papierów Wartościowych / Stock Exchange | 2 | 266 |
| górn. | Górnictwo / Mining & Drilling | 33 | 113 |
| gospod. | Gospodarka / Economy | 106 | 948 |
| gramat. | Gramatyka / Linguistics | 126 | 1457 |
| gry | Gry / Games | 55 | 929 |
| handel | Handel / Commerce | 432 | 562 |
| herald. | Heraldyka / Heraldry | 7 | 111 |
| hist. | Historia / History | 207 | 1369 |
| idiom | Idiom / Idiom | 114 | 708 |
| inform. | Informatyka / Computer Sciences | 284 | 1681 |
| internet | Internet / Internet | 85 | 1490 |
| Inżbiom. | Inżynieria biomedyczna / Medical Engineering & Imaging | 10 | 259 |
| inży. | Inżynieria / Engineering | 12 | 963 |
| jeźdź. | Jeźdźiectwo / Equestrianism, Horses | 27 | 134 |
| kolej | Kolej / Rail | 56 | 221 |
| kosm. | Kosmetyka i higiena ciała / Cosmetics & Body Care | 25 | 267 |
| leśn. | Leśnictwo / Forestry | 24 | 177 |
| lit. | Literatura / Literature | 188 | 1272 |
| lot. | Lotnictwo / Aviation | 209 | 486 |
| łowiect. | Łowiectwo / Hunting | 8 | 133 |
| mat. | Matematyka / Mathematics | 236 | 843 |
| mebel | Meble / Furniture | 42 | 236 |
| med. | Medycyna / Medicine | 1107 | 855 |
| MedWet | Medycyna weterynaryjna / Veterinary Medicine | 11 | 170 |
| meteo. | Meteorologia / Meteorology | 160 | 234 |
| mineral. | Mineralogia / Mineralogy | 16 | 155 |
| mitol. | Mitologia / Mythology | 222 | 527 |
| mot. | Motoryzacja / Automotive Engineering | 172 | 512 |
| muz. | Muzyka / Music | 288 | 1781 |
| mykol | Mykologia / Mycology | 31 | 115 |
| narko. | Narkotyk / Drugs | 13 | 279 |
| narzęd. | Narzędzia / Tools | 112 | 503 |
| nauka | Nauka / Academic Disciplines | 184 | 1659 |
| naut. | Nautyka / Nautical Science | 319 | 223 |
| neol. | Neologizm / Neologisms | 2 | 194 |
| nieruch. | Nieruchomość / Real Estate | 20 | 242 |
| nukl. | Nukleonika, Technika jądrowa / Nuclear Engineering | 4 | 184 |
| odzież | Odzież a moda / Clothing, Fashion | 277 | 466 |
| ogro. | Ogrodnictwo / Horticulture | 32 | 251 |
| onom. | Onomastyka / Names of Persons | 79 | 227 |
| optyka | Optyka / Optics | 28 | 177 |
| philos. | Filozofia / Philosophy | 72 | 981 |
| piwo | Piwowarstwo / Brewing | 15 | 167 |
| podróż | Słownictwo związane z podróżą / Travellers vocabulary | 42 | 711 |
| pol. | Polityka / Politics | 519 | 1018 |
| PożRatun | Straż Pożarna & Ratunkowa / Firefighting & Rescue | 1 | 133 |
| prawo | Prawo / Law | 588 | 604 |
| przem | Przemysł / Industry | 14 | 513 |
| przysł. | Przysłowie / Proverb | 42 | 630 |
| psych. | Psychologia / Psychology | 52 | 941 |
| ptak | Ptak / Ornithology | 593 | 151 |
| rach. | Rachunkowość / Accounting | 12 | 425 |
| relig. | Religia / Religion | 655 | 703 |
| retor. | Retoryka / Rhetoric | 4 | 413 |
| roln. | Rolnictwo / Agriculture, Aquaculture | 169 | 295 |
| rower | Rower / Bicycle | 16 | 533 |
| ruch | Ruch drogowy / Traffic | 39 | 328 |
| ryba | Ryba / Ichthyology, fish, fishing | 76 | 114 |
| socjol. | Socjologia / Sociology | 182 | 560 |
| sport | Sport / Sports | 350 | 975 |
| stat. | Statystyka / Statistics | 7 | 364 |
| sztuka | Sztuka / Art | 58 | 1224 |
| T | T / Taxonomic terms for animals, plants and fungi (incl. varieties and breeds) | 1615 | 10 |
| taniec | Taniec / Dance | 39 | 394 |
| teatr | Teatr / Theatre | 65 | 511 |
| tech. | Technika / Technology | 413 | 1297 |
| telekom. | Telekomunikacja / Telecommunications | 9 | 550 |
| textil. | Textilia / Textiles, Textile Industry | 23 | 161 |
| transp. | Transport lądowy / Transportation (Land Transport) | 3 | 348 |
| turys. | Turystyka / Travel Industry | 32 | 544 |
| TV | Telewizja i Radio / Radio and Television | 45 | 567 |
| ubez. | Ubezpieczenia / Insurance | 5 | 174 |
| UE | Unia europejska / European Union | 21 | 689 |
| urban. | Urbanistyka / Urban Planning | 2 | 236 |
| USD | UNESCO Światowe Dziedzictwo / UNESCO World Heritage | 16 | 271 |
| uzbr. | Uzbrojenie / Weapons | 72 | 405 |
| waluta | Waluta / Currencies | 22 | 265 |
| woj. | Wojsko / Military | 486 | 425 |
| wymiary | wymiary / Units, Measures, Weights | 48 | 439 |
| zabaw. | Zabawki / Toys | 36 | 228 |
| zawód | Zawód a rynek pracy / Jobs, Employment Market | 803 | 593 |
| zbroja | Zbroja / Historic Armour | 3 | 146 |
| zegary | Zegary / Watches, Clocks | 23 | 207 |
| zool. | Zoologia / Zoology, Animals | 778 | 670 |
| żywn. | żywność / Foodstuffs Industry | 1 | 312 |
