Subject  | Description | Entries | Users |
| agr. | Agricultuur, Landbouw / Agriculture, Aquaculture | 93 | 293 |
| anat. | Anatomie / Human Anatomy | 224 | 527 |
| apoth. | Apotheek / Pharmacy | 20 | 293 |
| archeo. | Archeologie / Archaeology | 37 | 372 |
| archi. | Architectuur / Architecture | 117 | 484 |
| astron. | Astronomie / Astronomy | 115 | 620 |
| audio | Audiologie / Audiology | 16 | 207 |
| auto | Auto, Mechaniek / Automotive Engineering | 97 | 504 |
| bergsp. | Bergsport / Climbing, Mountaineering | 2 | 259 |
| bestuur. | Bestuurskunde / (Public) Administration | 19 | 426 |
| beurs | Beurswezen / Stock Exchange | 7 | 263 |
| biblio. | Bibliotheekwetenschap / Library Science | 8 | 193 |
| bijbel | Bijbels / Biblical | 14 | 383 |
| biochem. | Biochemie / Biochemistry | 21 | 332 |
| biol. | Biologie / Biology | 113 | 688 |
| biotech. | Biotechnologie / Biotechnology | 1 | 290 |
| boekhoud | Boekhouding / Accounting | 1 | 419 |
| bos. | Bosbouwkunde / Forestry | 8 | 173 |
| bot. | Botanie / Botany, Plants | 533 | 411 |
| bouwk. | Bouwkunde / Construction | 116 | 338 |
| BrandNoo | Brandweer & Nooddienst / Firefighting & Rescue | 17 | 132 |
| brouw. | Brouwen / Brewing | 16 | 164 |
| chem. | Chemie, scheikunde / Chemistry | 324 | 549 |
| citaat | Citaat / Quotation | 1 | 484 |
| comics | Comics en animal cartoons / Comics and Animated Cartoons | 20 | 358 |
| comput. | Computer, Informatica / Computer Sciences | 93 | 1646 |
| cosm. | Cosmetica & Lichaamsverzorging / Cosmetics & Body Care | 32 | 265 |
| dans | Dans / Dance | 18 | 388 |
| diergen. | Diergeneeskunde / Veterinary Medicine | 13 | 169 |
| drugs | Drugs / Drugs | 9 | 271 |
| druk | Druk, Typografie, Opmaak / Print, Typography, Layout | 5 | 280 |
| econ. | Economie / Economy | 70 | 931 |
| eenheid | Eenheden, Maten, Gewichten / Units, Measures, Weights | 38 | 432 |
| elektr. | Elektrotechniek, Elektronica / Electrical Engin., Electronics | 46 | 695 |
| entom. | Entomologie, Insectenkunde / Entomology | 502 | 109 |
| esot. | Esoterisme / Esotericism | 23 | 241 |
| etn. | Etnologie / Ethnology | 146 | 283 |
| EU | Europese Unie / European Union | 13 | 680 |
| F | Fictie / Fiction: Names and Titles in Literature, Film, TV, Arts | 140 | 816 |
| FarTech. | Farmaceutische technologie / Medical Engineering & Imaging | 2 | 256 |
| fiets | Fiets / Bicycle | 63 | 523 |
| filat. | Filatelie, Postzegelkunde / Philately | 5 | 63 |
| film | Film / Film | 135 | 1299 |
| filos. | Filosofie / Philosophy | 55 | 960 |
| fin. | Financiën / Finance | 48 | 592 |
| fonet. | Fonetiek / Phonetics | 5 | 411 |
| foto. | Fotografie / Photography | 27 | 832 |
| fys. | Fysica / Physics | 96 | 811 |
| gastr. | Gastronomie, Koken / Gastronomy, Cooking | 577 | 671 |
| genees. | Geneeskunde / Medicine | 562 | 845 |
| geogr. | Geografie / Geography | 1119 | 876 |
| geol. | Geologie / Geology | 56 | 302 |
| gesch. | Geschiedenis / History | 163 | 1340 |
| handel | Handel / Commerce | 114 | 558 |
| herald. | Heraldiek / Heraldry | 1 | 107 |
| horloges | Horloges, Klokken / Watches, Clocks | 6 | 206 |
| hydro. | Hydrologie & Hydrogeologie / Hydrology & Hydrogeology | 29 | 109 |
| ind. | Industrie / Industry | 49 | 506 |
| ingen. | Ingenieurswetenschappen / Engineering | 3 | 945 |
| internet | Internet / Internet | 46 | 1462 |
| jacht | Jacht / Hunting | 18 | 132 |
| journ. | Journalistiek / Journalism | 66 | 447 |
| kled. | Kleding / Clothing, Fashion | 306 | 459 |
| KM | Kwaliteitsmanagement / Quality Management | 5 | 281 |
| kunst | Kunst / Art | 91 | 1198 |
| lit. | Literatuur / Literature | 211 | 1250 |
| luchtv. | Luchtvaart / Aviation | 93 | 476 |
| market. | Marketing / Marketing, Advertising | 4 | 554 |
| material | Materiaalkunde / Materials Science | 11 | 289 |
| meteo. | Meteorologie / Meteorology | 138 | 228 |
| meubel | Meubels / Furniture | 41 | 233 |
| mijnb. | Mijnbouw / Mining & Drilling | 4 | 113 |
| mil. | Militair / Military | 108 | 410 |
| milieu | Milieu / Ecology, Environment | 45 | 735 |
| mineral. | Mineralogie / Mineralogy | 43 | 153 |
| muziek | Muziek / Music | 291 | 1750 |
| mycol. | Mycologie / Mycology | 33 | 114 |
| myth. | Mythologie / Mythology | 84 | 514 |
| naut. | Nautiek / Nautical Science | 134 | 219 |
| nucl. | Nucleaire Techniek / Nuclear Engineering | 6 | 182 |
| onom. | Onomastiek, Naamkunde / Names of Persons | 2 | 221 |
| opl. | Opleiding / Education | 95 | 1233 |
| optica | Optica / Optics | 4 | 173 |
| paard. | Paardensport / Equestrianism, Horses | 3 | 133 |
| pol. | Politiek / Politics | 400 | 1000 |
| psych. | Psychologie / Psychology | 111 | 920 |
| publ. | Publiceren / Publishing | 41 | 263 |
| recht | Recht / Law | 85 | 593 |
| reisw. | Reiswoorden / Travellers vocabulary | 13 | 700 |
| relig. | Religie / Religion | 201 | 693 |
| ret. | Retorica / Rhetoric | 4 | 410 |
| ruimteva | Ruimtevaart / Astronautics | 6 | 343 |
| sociol. | Sociologie / Sociology | 38 | 548 |
| speelg. | Speelgoed / Toys | 10 | 226 |
| spellen | Spellen / Games | 57 | 904 |
| spoorw. | Spoorwegen / Rail | 74 | 220 |
| sport | Sport / Sports | 354 | 965 |
| spreekw. | Spreekwoord / Proverb | 34 | 623 |
| stat. | Statistiek / Statistics | 7 | 351 |
| T | T / Taxonomic terms for animals, plants and fungi (incl. varieties and breeds) | 3037 | 9 |
| taal. | Taalkunde / Linguistics | 251 | 1424 |
| tandh. | Tandheelkunde / Dental Medicine | 12 | 132 |
| tech. | Technologie / Technology | 71 | 1256 |
| telecom. | Telecommunicatie / Telecommunications | 10 | 542 |
| textiel | Textiel, textielindustrie / Textiles, Textile Industry | 13 | 159 |
| theater | Theater / Theatre | 49 | 502 |
| toerisme | Toerisme / Travel Industry | 33 | 537 |
| transp. | Transport / Transportation (Land Transport) | 49 | 340 |
| tuin. | Tuinbouw / Horticulture | 33 | 249 |
| TV | Televisie en Radio / Radio and Television | 32 | 562 |
| urban. | Urbanisme, Stedenbouwkunde / Urban Planning | 6 | 231 |
| vakt. | Vaktaal / Specialized Term | 5 | 367 |
| valuta | Valuta / Currencies | 121 | 263 |
| vastg. | Vastgoed / Real Estate | 35 | 242 |
| verk. | Verkeerskunde / Traffic | 36 | 324 |
| verzek. | Verzekering / Insurance | 8 | 171 |
| vis | Ichtyologie, Vis / Ichthyology, fish, fishing | 174 | 113 |
| voed. | Voedingsmiddelenindustrie / Foodstuffs Industry | 48 | 309 |
| vogelk. | Vogelkunde / Ornithology | 1194 | 150 |
| wapens | Wapens / Weapons | 31 | 394 |
| werk | Werk en arbeidsmarkt / Jobs, Employment Market | 351 | 589 |
| werkt. | Werktuig / Tools | 49 | 490 |
| weten. | Wetenschap / Academic Disciplines | 157 | 1620 |
| wijnk. | Wijnkunde / Oenology | 18 | 127 |
| wisk. | Wiskunde / Mathematics | 174 | 820 |
| zeg. | Zegswijzen / Idiom | 73 | 710 |
| zoöl. | Zoölogie / Zoology, Animals | 886 | 668 |
