Subject  | Description | Entries | Users |
| agr. | Agricultuur, Landbouw / Agriculture, Aquaculture | 129 | 295 |
| anat. | Anatomie / Human Anatomy | 275 | 528 |
| apoth. | Apotheek / Pharmacy | 35 | 293 |
| archeo. | Archeologie / Archaeology | 61 | 374 |
| archi. | Architectuur / Architecture | 187 | 488 |
| astron. | Astronomie / Astronomy | 149 | 628 |
| audio | Audiologie / Audiology | 17 | 211 |
| auto | Auto, Mechaniek / Automotive Engineering | 116 | 508 |
| bergsp. | Bergsport / Climbing, Mountaineering | 3 | 261 |
| bestuur. | Bestuurskunde / (Public) Administration | 24 | 426 |
| beurs | Beurswezen / Stock Exchange | 29 | 263 |
| biblio. | Bibliotheekwetenschap / Library Science | 12 | 195 |
| bijbel | Bijbels / Biblical | 18 | 389 |
| biochem. | Biochemie / Biochemistry | 32 | 339 |
| biol. | Biologie / Biology | 198 | 700 |
| biotech. | Biotechnologie / Biotechnology | 2 | 293 |
| boekhoud | Boekhouding / Accounting | 8 | 422 |
| bos. | Bosbouwkunde / Forestry | 29 | 175 |
| bot. | Botanie / Botany, Plants | 590 | 416 |
| bouwk. | Bouwkunde / Construction | 151 | 340 |
| BrandNoo | Brandweer & Nooddienst / Firefighting & Rescue | 29 | 132 |
| brouw. | Brouwen / Brewing | 19 | 168 |
| chem. | Chemie, scheikunde / Chemistry | 380 | 559 |
| citaat | Citaat / Quotation | 1 | 485 |
| comics | Comics en animal cartoons / Comics and Animated Cartoons | 20 | 360 |
| comput. | Computer, Informatica / Computer Sciences | 107 | 1664 |
| cosm. | Cosmetica & Lichaamsverzorging / Cosmetics & Body Care | 48 | 267 |
| dans | Dans / Dance | 35 | 391 |
| diergen. | Diergeneeskunde / Veterinary Medicine | 21 | 169 |
| drugs | Drugs / Drugs | 20 | 274 |
| druk | Druk, Typografie, Opmaak / Print, Typography, Layout | 18 | 281 |
| econ. | Economie / Economy | 236 | 939 |
| eenheid | Eenheden, Maten, Gewichten / Units, Measures, Weights | 38 | 434 |
| elektr. | Elektrotechniek, Elektronica / Electrical Engin., Electronics | 51 | 707 |
| entom. | Entomologie, Insectenkunde / Entomology | 516 | 110 |
| esot. | Esoterisme / Esotericism | 23 | 243 |
| etn. | Etnologie / Ethnology | 149 | 283 |
| EU | Europese Unie / European Union | 13 | 683 |
| F | Fictie / Fiction: Names and Titles in Literature, Film, TV, Arts | 182 | 820 |
| FarTech. | Farmaceutische technologie / Medical Engineering & Imaging | 12 | 257 |
| fiets | Fiets / Bicycle | 66 | 527 |
| filat. | Filatelie, Postzegelkunde / Philately | 7 | 63 |
| film | Film / Film | 204 | 1310 |
| filos. | Filosofie / Philosophy | 67 | 973 |
| fin. | Financiën / Finance | 111 | 595 |
| fonet. | Fonetiek / Phonetics | 11 | 416 |
| foto. | Fotografie / Photography | 56 | 837 |
| fys. | Fysica / Physics | 114 | 817 |
| gastr. | Gastronomie, Koken / Gastronomy, Cooking | 718 | 673 |
| genees. | Geneeskunde / Medicine | 846 | 853 |
| geogr. | Geografie / Geography | 1246 | 881 |
| geol. | Geologie / Geology | 119 | 307 |
| gesch. | Geschiedenis / History | 228 | 1356 |
| handel | Handel / Commerce | 256 | 560 |
| herald. | Heraldiek / Heraldry | 1 | 109 |
| horloges | Horloges, Klokken / Watches, Clocks | 7 | 206 |
| hydro. | Hydrologie & Hydrogeologie / Hydrology & Hydrogeology | 39 | 110 |
| ind. | Industrie / Industry | 118 | 508 |
| ingen. | Ingenieurswetenschappen / Engineering | 5 | 955 |
| internet | Internet / Internet | 50 | 1473 |
| jacht | Jacht / Hunting | 21 | 133 |
| journ. | Journalistiek / Journalism | 88 | 450 |
| kled. | Kleding / Clothing, Fashion | 356 | 463 |
| KM | Kwaliteitsmanagement / Quality Management | 5 | 282 |
| kunst | Kunst / Art | 137 | 1209 |
| lit. | Literatuur / Literature | 272 | 1264 |
| luchtv. | Luchtvaart / Aviation | 131 | 480 |
| market. | Marketing / Marketing, Advertising | 12 | 555 |
| material | Materiaalkunde / Materials Science | 15 | 290 |
| meteo. | Meteorologie / Meteorology | 176 | 231 |
| meubel | Meubels / Furniture | 70 | 234 |
| mijnb. | Mijnbouw / Mining & Drilling | 21 | 113 |
| mil. | Militair / Military | 203 | 419 |
| milieu | Milieu / Ecology, Environment | 91 | 742 |
| mineral. | Mineralogie / Mineralogy | 47 | 155 |
| muziek | Muziek / Music | 460 | 1765 |
| mycol. | Mycologie / Mycology | 33 | 115 |
| myth. | Mythologie / Mythology | 94 | 522 |
| naut. | Nautiek / Nautical Science | 167 | 222 |
| nucl. | Nucleaire Techniek / Nuclear Engineering | 20 | 182 |
| onom. | Onomastiek, Naamkunde / Names of Persons | 2 | 224 |
| opl. | Opleiding / Education | 145 | 1248 |
| optica | Optica / Optics | 8 | 175 |
| paard. | Paardensport / Equestrianism, Horses | 9 | 133 |
| pol. | Politiek / Politics | 590 | 1009 |
| psych. | Psychologie / Psychology | 162 | 930 |
| publ. | Publiceren / Publishing | 53 | 264 |
| recht | Recht / Law | 124 | 601 |
| reisw. | Reiswoorden / Travellers vocabulary | 24 | 703 |
| relig. | Religie / Religion | 273 | 700 |
| ret. | Retorica / Rhetoric | 5 | 410 |
| ruimteva | Ruimtevaart / Astronautics | 15 | 344 |
| sociol. | Sociologie / Sociology | 101 | 550 |
| speelg. | Speelgoed / Toys | 11 | 228 |
| spellen | Spellen / Games | 69 | 918 |
| spoorw. | Spoorwegen / Rail | 85 | 222 |
| sport | Sport / Sports | 435 | 968 |
| spreekw. | Spreekwoord / Proverb | 44 | 626 |
| stat. | Statistiek / Statistics | 9 | 357 |
| T | T / Taxonomic terms for animals, plants and fungi (incl. varieties and breeds) | 3219 | 9 |
| taal. | Taalkunde / Linguistics | 295 | 1444 |
| tandh. | Tandheelkunde / Dental Medicine | 19 | 133 |
| tech. | Technologie / Technology | 107 | 1280 |
| telecom. | Telecommunicatie / Telecommunications | 22 | 547 |
| textiel | Textiel, textielindustrie / Textiles, Textile Industry | 18 | 160 |
| theater | Theater / Theatre | 67 | 503 |
| toerisme | Toerisme / Travel Industry | 71 | 541 |
| transp. | Transport / Transportation (Land Transport) | 70 | 345 |
| tuin. | Tuinbouw / Horticulture | 67 | 251 |
| TV | Televisie en Radio / Radio and Television | 60 | 566 |
| urban. | Urbanisme, Stedenbouwkunde / Urban Planning | 49 | 233 |
| UWE | UNESCO-werelderfgoed / UNESCO World Heritage | 2 | 267 |
| vakt. | Vaktaal / Specialized Term | 6 | 370 |
| valuta | Valuta / Currencies | 125 | 263 |
| vastg. | Vastgoed / Real Estate | 65 | 240 |
| verk. | Verkeerskunde / Traffic | 66 | 325 |
| verzek. | Verzekering / Insurance | 10 | 173 |
| vis | Ichtyologie, Vis / Ichthyology, fish, fishing | 193 | 114 |
| voed. | Voedingsmiddelenindustrie / Foodstuffs Industry | 91 | 311 |
| vogelk. | Vogelkunde / Ornithology | 1311 | 151 |
| wapens | Wapens / Weapons | 49 | 401 |
| werk | Werk en arbeidsmarkt / Jobs, Employment Market | 614 | 590 |
| werkt. | Werktuig / Tools | 75 | 495 |
| weten. | Wetenschap / Academic Disciplines | 211 | 1643 |
| wijnk. | Wijnkunde / Oenology | 24 | 127 |
| wisk. | Wiskunde / Mathematics | 191 | 835 |
| zeg. | Zegswijzen / Idiom | 72 | 708 |
| zoöl. | Zoölogie / Zoology, Animals | 954 | 669 |
