Subject  | Description | Entries | Users |
| agr. | Agricultuur, Landbouw / Agriculture, Aquaculture | 126 | 294 |
| anat. | Anatomie / Human Anatomy | 269 | 528 |
| apoth. | Apotheek / Pharmacy | 33 | 294 |
| archeo. | Archeologie / Archaeology | 53 | 373 |
| archi. | Architectuur / Architecture | 182 | 485 |
| astron. | Astronomie / Astronomy | 142 | 625 |
| audio | Audiologie / Audiology | 17 | 209 |
| auto | Auto, Mechaniek / Automotive Engineering | 109 | 507 |
| bergsp. | Bergsport / Climbing, Mountaineering | 3 | 261 |
| bestuur. | Bestuurskunde / (Public) Administration | 22 | 426 |
| beurs | Beurswezen / Stock Exchange | 27 | 263 |
| biblio. | Bibliotheekwetenschap / Library Science | 12 | 194 |
| bijbel | Bijbels / Biblical | 17 | 386 |
| biochem. | Biochemie / Biochemistry | 30 | 335 |
| biol. | Biologie / Biology | 175 | 693 |
| biotech. | Biotechnologie / Biotechnology | 2 | 291 |
| boekhoud | Boekhouding / Accounting | 7 | 421 |
| bos. | Bosbouwkunde / Forestry | 22 | 175 |
| bot. | Botanie / Botany, Plants | 588 | 413 |
| bouwk. | Bouwkunde / Construction | 143 | 339 |
| BrandNoo | Brandweer & Nooddienst / Firefighting & Rescue | 25 | 132 |
| brouw. | Brouwen / Brewing | 19 | 166 |
| chem. | Chemie, scheikunde / Chemistry | 373 | 554 |
| citaat | Citaat / Quotation | 1 | 485 |
| comics | Comics en animal cartoons / Comics and Animated Cartoons | 20 | 360 |
| comput. | Computer, Informatica / Computer Sciences | 101 | 1656 |
| cosm. | Cosmetica & Lichaamsverzorging / Cosmetics & Body Care | 48 | 266 |
| dans | Dans / Dance | 33 | 389 |
| diergen. | Diergeneeskunde / Veterinary Medicine | 18 | 169 |
| drugs | Drugs / Drugs | 15 | 273 |
| druk | Druk, Typografie, Opmaak / Print, Typography, Layout | 17 | 281 |
| econ. | Economie / Economy | 215 | 934 |
| eenheid | Eenheden, Maten, Gewichten / Units, Measures, Weights | 38 | 433 |
| elektr. | Elektrotechniek, Elektronica / Electrical Engin., Electronics | 49 | 702 |
| entom. | Entomologie, Insectenkunde / Entomology | 513 | 109 |
| esot. | Esoterisme / Esotericism | 23 | 242 |
| etn. | Etnologie / Ethnology | 148 | 283 |
| EU | Europese Unie / European Union | 13 | 680 |
| F | Fictie / Fiction: Names and Titles in Literature, Film, TV, Arts | 140 | 819 |
| FarTech. | Farmaceutische technologie / Medical Engineering & Imaging | 7 | 258 |
| fiets | Fiets / Bicycle | 64 | 525 |
| filat. | Filatelie, Postzegelkunde / Philately | 7 | 63 |
| film | Film / Film | 182 | 1305 |
| filos. | Filosofie / Philosophy | 67 | 967 |
| fin. | Financiën / Finance | 87 | 594 |
| fonet. | Fonetiek / Phonetics | 9 | 414 |
| foto. | Fotografie / Photography | 53 | 837 |
| fys. | Fysica / Physics | 110 | 813 |
| gastr. | Gastronomie, Koken / Gastronomy, Cooking | 694 | 672 |
| genees. | Geneeskunde / Medicine | 781 | 848 |
| geogr. | Geografie / Geography | 1225 | 879 |
| geol. | Geologie / Geology | 107 | 306 |
| gesch. | Geschiedenis / History | 214 | 1347 |
| handel | Handel / Commerce | 236 | 559 |
| herald. | Heraldiek / Heraldry | 1 | 109 |
| horloges | Horloges, Klokken / Watches, Clocks | 7 | 206 |
| hydro. | Hydrologie & Hydrogeologie / Hydrology & Hydrogeology | 37 | 109 |
| ind. | Industrie / Industry | 104 | 508 |
| ingen. | Ingenieurswetenschappen / Engineering | 5 | 951 |
| internet | Internet / Internet | 49 | 1468 |
| jacht | Jacht / Hunting | 21 | 132 |
| journ. | Journalistiek / Journalism | 88 | 450 |
| kled. | Kleding / Clothing, Fashion | 346 | 461 |
| KM | Kwaliteitsmanagement / Quality Management | 5 | 281 |
| kunst | Kunst / Art | 131 | 1203 |
| lit. | Literatuur / Literature | 244 | 1257 |
| luchtv. | Luchtvaart / Aviation | 128 | 479 |
| market. | Marketing / Marketing, Advertising | 11 | 554 |
| material | Materiaalkunde / Materials Science | 14 | 290 |
| meteo. | Meteorologie / Meteorology | 175 | 230 |
| meubel | Meubels / Furniture | 68 | 234 |
| mijnb. | Mijnbouw / Mining & Drilling | 18 | 113 |
| mil. | Militair / Military | 194 | 414 |
| milieu | Milieu / Ecology, Environment | 80 | 739 |
| mineral. | Mineralogie / Mineralogy | 46 | 154 |
| muziek | Muziek / Music | 445 | 1758 |
| mycol. | Mycologie / Mycology | 33 | 115 |
| myth. | Mythologie / Mythology | 87 | 517 |
| naut. | Nautiek / Nautical Science | 166 | 221 |
| nucl. | Nucleaire Techniek / Nuclear Engineering | 11 | 182 |
| onom. | Onomastiek, Naamkunde / Names of Persons | 2 | 224 |
| opl. | Opleiding / Education | 137 | 1241 |
| optica | Optica / Optics | 7 | 174 |
| paard. | Paardensport / Equestrianism, Horses | 8 | 132 |
| pol. | Politiek / Politics | 564 | 1004 |
| psych. | Psychologie / Psychology | 144 | 925 |
| publ. | Publiceren / Publishing | 52 | 264 |
| recht | Recht / Law | 114 | 598 |
| reisw. | Reiswoorden / Travellers vocabulary | 23 | 701 |
| relig. | Religie / Religion | 270 | 694 |
| ret. | Retorica / Rhetoric | 5 | 410 |
| ruimteva | Ruimtevaart / Astronautics | 10 | 343 |
| sociol. | Sociologie / Sociology | 87 | 548 |
| speelg. | Speelgoed / Toys | 11 | 226 |
| spellen | Spellen / Games | 68 | 913 |
| spoorw. | Spoorwegen / Rail | 83 | 220 |
| sport | Sport / Sports | 432 | 967 |
| spreekw. | Spreekwoord / Proverb | 44 | 625 |
| stat. | Statistiek / Statistics | 9 | 356 |
| T | T / Taxonomic terms for animals, plants and fungi (incl. varieties and breeds) | 3131 | 9 |
| taal. | Taalkunde / Linguistics | 285 | 1435 |
| tandh. | Tandheelkunde / Dental Medicine | 19 | 133 |
| tech. | Technologie / Technology | 103 | 1272 |
| telecom. | Telecommunicatie / Telecommunications | 20 | 546 |
| textiel | Textiel, textielindustrie / Textiles, Textile Industry | 17 | 160 |
| theater | Theater / Theatre | 67 | 503 |
| toerisme | Toerisme / Travel Industry | 66 | 538 |
| transp. | Transport / Transportation (Land Transport) | 67 | 341 |
| tuin. | Tuinbouw / Horticulture | 62 | 249 |
| TV | Televisie en Radio / Radio and Television | 58 | 565 |
| urban. | Urbanisme, Stedenbouwkunde / Urban Planning | 43 | 231 |
| vakt. | Vaktaal / Specialized Term | 6 | 369 |
| valuta | Valuta / Currencies | 125 | 263 |
| vastg. | Vastgoed / Real Estate | 63 | 240 |
| verk. | Verkeerskunde / Traffic | 64 | 324 |
| verzek. | Verzekering / Insurance | 9 | 173 |
| vis | Ichtyologie, Vis / Ichthyology, fish, fishing | 187 | 113 |
| voed. | Voedingsmiddelenindustrie / Foodstuffs Industry | 89 | 309 |
| vogelk. | Vogelkunde / Ornithology | 1259 | 150 |
| wapens | Wapens / Weapons | 45 | 397 |
| werk | Werk en arbeidsmarkt / Jobs, Employment Market | 580 | 589 |
| werkt. | Werktuig / Tools | 71 | 493 |
| weten. | Wetenschap / Academic Disciplines | 194 | 1631 |
| wijnk. | Wijnkunde / Oenology | 22 | 127 |
| wisk. | Wiskunde / Mathematics | 190 | 826 |
| zeg. | Zegswijzen / Idiom | 73 | 709 |
| zoöl. | Zoölogie / Zoology, Animals | 924 | 668 |
