Subject  | Description | Entries | Users |
| agr. | Agricultuur, Landbouw / Agriculture, Aquaculture | 69 | 278 |
| anat. | Anatomie / Human Anatomy | 213 | 511 |
| apoth. | Apotheek / Pharmacy | 16 | 288 |
| archeo. | Archeologie / Archaeology | 31 | 361 |
| archi. | Architectuur / Architecture | 104 | 471 |
| astron. | Astronomie / Astronomy | 108 | 592 |
| audio | Audiologie / Audiology | 7 | 195 |
| auto | Auto, Mechaniek / Automotive Engineering | 97 | 484 |
| bergsp. | Bergsport / Climbing, Mountaineering | 2 | 251 |
| bestuur. | Bestuurskunde / (Public) Administration | 7 | 409 |
| beurs | Beurswezen / Stock Exchange | 6 | 253 |
| biblio. | Bibliotheekwetenschap / Library Science | 5 | 183 |
| bijbel | Bijbels / Biblical | 14 | 369 |
| biochem. | Biochemie / Biochemistry | 16 | 320 |
| biol. | Biologie / Biology | 96 | 660 |
| biotech. | Biotechnologie / Biotechnology | 1 | 280 |
| boekhoud | Boekhouding / Accounting | 1 | 411 |
| bos. | Bosbouwkunde / Forestry | 8 | 166 |
| bot. | Botanie / Botany, Plants | 487 | 399 |
| bouwk. | Bouwkunde / Construction | 112 | 324 |
| BrandNoo | Brandweer & Nooddienst / Firefighting & Rescue | 17 | 129 |
| brouw. | Brouwen / Brewing | 13 | 160 |
| chem. | Chemie, scheikunde / Chemistry | 296 | 530 |
| citaat | Citaat / Quotation | 1 | 474 |
| comics | Comics en animal cartoons / Comics and Animated Cartoons | 1 | 349 |
| comput. | Computer, Informatica / Computer Sciences | 77 | 1580 |
| cosm. | Cosmetica & Lichaamsverzorging / Cosmetics & Body Care | 25 | 257 |
| dans | Dans / Dance | 15 | 382 |
| diergen. | Diergeneeskunde / Veterinary Medicine | 8 | 166 |
| drugs | Drugs / Drugs | 8 | 260 |
| druk | Druk, Typografie, Opmaak / Print, Typography, Layout | 4 | 273 |
| econ. | Economie / Economy | 65 | 903 |
| eenheid | Eenheden, Maten, Gewichten / Units, Measures, Weights | 32 | 421 |
| elektr. | Elektrotechniek, Elektronica / Electrical Engin., Electronics | 41 | 671 |
| entom. | Entomologie, Insectenkunde / Entomology | 209 | 105 |
| esot. | Esoterisme / Esotericism | 17 | 230 |
| etn. | Etnologie / Ethnology | 90 | 269 |
| EU | Europese Unie / European Union | 5 | 653 |
| F | Fictie / Fiction: Names and Titles in Literature, Film, TV, Arts | 61 | 793 |
| FarTech. | Farmaceutische technologie / Medical Engineering & Imaging | 2 | 246 |
| fiets | Fiets / Bicycle | 62 | 502 |
| filat. | Filatelie, Postzegelkunde / Philately | 3 | 61 |
| film | Film / Film | 88 | 1275 |
| filos. | Filosofie / Philosophy | 36 | 920 |
| fin. | Financiën / Finance | 37 | 575 |
| fonet. | Fonetiek / Phonetics | 5 | 397 |
| foto. | Fotografie / Photography | 23 | 810 |
| fys. | Fysica / Physics | 78 | 786 |
| gastr. | Gastronomie, Koken / Gastronomy, Cooking | 504 | 646 |
| genees. | Geneeskunde / Medicine | 484 | 812 |
| geogr. | Geografie / Geography | 1108 | 834 |
| geol. | Geologie / Geology | 47 | 288 |
| gesch. | Geschiedenis / History | 141 | 1296 |
| handel | Handel / Commerce | 92 | 542 |
| herald. | Heraldiek / Heraldry | 1 | 100 |
| horloges | Horloges, Klokken / Watches, Clocks | 6 | 201 |
| hydro. | Hydrologie & Hydrogeologie / Hydrology & Hydrogeology | 20 | 108 |
| ind. | Industrie / Industry | 48 | 485 |
| ingen. | Ingenieurswetenschappen / Engineering | 2 | 912 |
| internet | Internet / Internet | 40 | 1407 |
| jacht | Jacht / Hunting | 18 | 130 |
| journ. | Journalistiek / Journalism | 43 | 431 |
| kled. | Kleding / Clothing, Fashion | 304 | 447 |
| kunst | Kunst / Art | 56 | 1168 |
| lit. | Literatuur / Literature | 136 | 1196 |
| luchtv. | Luchtvaart / Aviation | 88 | 452 |
| market. | Marketing / Marketing, Advertising | 4 | 541 |
| material | Materiaalkunde / Materials Science | 8 | 276 |
| meteo. | Meteorologie / Meteorology | 97 | 220 |
| meubel | Meubels / Furniture | 35 | 228 |
| mijnb. | Mijnbouw / Mining & Drilling | 3 | 110 |
| mil. | Militair / Military | 97 | 397 |
| milieu | Milieu / Ecology, Environment | 21 | 704 |
| mineral. | Mineralogie / Mineralogy | 41 | 148 |
| muziek | Muziek / Music | 228 | 1699 |
| mycol. | Mycologie / Mycology | 28 | 113 |
| myth. | Mythologie / Mythology | 80 | 496 |
| naut. | Nautiek / Nautical Science | 128 | 212 |
| nucl. | Nucleaire Techniek / Nuclear Engineering | 5 | 174 |
| opl. | Opleiding / Education | 83 | 1189 |
| optica | Optica / Optics | 2 | 167 |
| paard. | Paardensport / Equestrianism, Horses | 1 | 131 |
| pol. | Politiek / Politics | 297 | 958 |
| psych. | Psychologie / Psychology | 97 | 894 |
| publ. | Publiceren / Publishing | 36 | 254 |
| recht | Recht / Law | 80 | 581 |
| reisw. | Reiswoorden / Travellers vocabulary | 9 | 677 |
| relig. | Religie / Religion | 157 | 668 |
| ret. | Retorica / Rhetoric | 4 | 400 |
| ruimteva | Ruimtevaart / Astronautics | 6 | 322 |
| sociol. | Sociologie / Sociology | 25 | 525 |
| speelg. | Speelgoed / Toys | 10 | 217 |
| spellen | Spellen / Games | 36 | 866 |
| spoorw. | Spoorwegen / Rail | 72 | 214 |
| sport | Sport / Sports | 317 | 936 |
| spreekw. | Spreekwoord / Proverb | 34 | 602 |
| stat. | Statistiek / Statistics | 6 | 333 |
| T | T / Taxonomic terms for animals, plants and fungi (incl. varieties and breeds) | 2515 | 2 |
| taal. | Taalkunde / Linguistics | 246 | 1371 |
| tandh. | Tandheelkunde / Dental Medicine | 10 | 129 |
| tech. | Technologie / Technology | 64 | 1204 |
| telecom. | Telecommunicatie / Telecommunications | 9 | 526 |
| textiel | Textiel, textielindustrie / Textiles, Textile Industry | 11 | 154 |
| theater | Theater / Theatre | 33 | 491 |
| toerisme | Toerisme / Travel Industry | 24 | 521 |
| transp. | Transport / Transportation (Land Transport) | 46 | 322 |
| tuin. | Tuinbouw / Horticulture | 22 | 240 |
| TV | Televisie en Radio / Radio and Television | 26 | 544 |
| urban. | Urbanisme, Stedenbouwkunde / Urban Planning | 4 | 222 |
| vakt. | Vaktaal / Specialized Term | 4 | 354 |
| valuta | Valuta / Currencies | 121 | 255 |
| vastg. | Vastgoed / Real Estate | 35 | 238 |
| verk. | Verkeerskunde / Traffic | 34 | 307 |
| verzek. | Verzekering / Insurance | 8 | 166 |
| vis | Ichtyologie, Vis / Ichthyology, fish, fishing | 131 | 110 |
| voed. | Voedingsmiddelenindustrie / Foodstuffs Industry | 37 | 305 |
| vogelk. | Vogelkunde / Ornithology | 1056 | 146 |
| wapens | Wapens / Weapons | 31 | 382 |
| werk | Werk en arbeidsmarkt / Jobs, Employment Market | 268 | 573 |
| werkt. | Werktuig / Tools | 42 | 471 |
| weten. | Wetenschap / Academic Disciplines | 113 | 1550 |
| wijnk. | Wijnkunde / Oenology | 14 | 126 |
| wisk. | Wiskunde / Mathematics | 141 | 787 |
| zeg. | Zegswijzen / Idiom | 73 | 710 |
| zoöl. | Zoölogie / Zoology, Animals | 836 | 654 |
