Subject  | Description | Entries | Users |
| agr. | Agricultuur, Landbouw / Agriculture, Aquaculture | 145 | 299 |
| anat. | Anatomie / Human Anatomy | 283 | 537 |
| apoth. | Apotheek / Pharmacy | 54 | 296 |
| archeo. | Archeologie / Archaeology | 67 | 381 |
| archi. | Architectuur / Architecture | 194 | 503 |
| astron. | Astronomie / Astronomy | 161 | 640 |
| audio | Audiologie / Audiology | 18 | 214 |
| auto | Auto, Mechaniek / Automotive Engineering | 137 | 515 |
| bergsp. | Bergsport / Climbing, Mountaineering | 8 | 265 |
| bestuur. | Bestuurskunde / (Public) Administration | 28 | 429 |
| beurs | Beurswezen / Stock Exchange | 32 | 266 |
| biblio. | Bibliotheekwetenschap / Library Science | 13 | 199 |
| bijbel | Bijbels / Biblical | 18 | 396 |
| biochem. | Biochemie / Biochemistry | 85 | 345 |
| biol. | Biologie / Biology | 256 | 707 |
| biotech. | Biotechnologie / Biotechnology | 4 | 297 |
| boekhoud | Boekhouding / Accounting | 8 | 426 |
| bos. | Bosbouwkunde / Forestry | 33 | 178 |
| bot. | Botanie / Botany, Plants | 625 | 420 |
| bouwk. | Bouwkunde / Construction | 160 | 349 |
| BrandNoo | Brandweer & Nooddienst / Firefighting & Rescue | 33 | 136 |
| brouw. | Brouwen / Brewing | 20 | 167 |
| chem. | Chemie, scheikunde / Chemistry | 421 | 567 |
| citaat | Citaat / Quotation | 1 | 488 |
| comics | Comics en animal cartoons / Comics and Animated Cartoons | 20 | 365 |
| comput. | Computer, Informatica / Computer Sciences | 127 | 1688 |
| cosm. | Cosmetica & Lichaamsverzorging / Cosmetics & Body Care | 56 | 267 |
| dans | Dans / Dance | 44 | 395 |
| diergen. | Diergeneeskunde / Veterinary Medicine | 25 | 171 |
| drugs | Drugs / Drugs | 36 | 280 |
| druk | Druk, Typografie, Opmaak / Print, Typography, Layout | 20 | 286 |
| econ. | Economie / Economy | 270 | 953 |
| eenheid | Eenheden, Maten, Gewichten / Units, Measures, Weights | 43 | 439 |
| elektr. | Elektrotechniek, Elektronica / Electrical Engin., Electronics | 58 | 718 |
| entom. | Entomologie, Insectenkunde / Entomology | 536 | 110 |
| esot. | Esoterisme / Esotericism | 23 | 246 |
| etn. | Etnologie / Ethnology | 191 | 287 |
| EU | Europese Unie / European Union | 14 | 691 |
| F | Fictie / Fiction: Names and Titles in Literature, Film, TV, Arts | 184 | 830 |
| FarTech. | Farmaceutische technologie / Medical Engineering & Imaging | 26 | 263 |
| fiets | Fiets / Bicycle | 73 | 535 |
| filat. | Filatelie, Postzegelkunde / Philately | 8 | 64 |
| film | Film / Film | 236 | 1330 |
| filos. | Filosofie / Philosophy | 69 | 987 |
| fin. | Financiën / Finance | 128 | 602 |
| fonet. | Fonetiek / Phonetics | 11 | 426 |
| foto. | Fotografie / Photography | 61 | 848 |
| fys. | Fysica / Physics | 135 | 829 |
| gastr. | Gastronomie, Koken / Gastronomy, Cooking | 874 | 676 |
| genees. | Geneeskunde / Medicine | 1159 | 863 |
| geogr. | Geografie / Geography | 1343 | 893 |
| geol. | Geologie / Geology | 133 | 314 |
| gesch. | Geschiedenis / History | 262 | 1379 |
| handel | Handel / Commerce | 330 | 563 |
| herald. | Heraldiek / Heraldry | 1 | 112 |
| horloges | Horloges, Klokken / Watches, Clocks | 7 | 208 |
| hydro. | Hydrologie & Hydrogeologie / Hydrology & Hydrogeology | 46 | 113 |
| ind. | Industrie / Industry | 161 | 516 |
| ingen. | Ingenieurswetenschappen / Engineering | 7 | 970 |
| internet | Internet / Internet | 55 | 1500 |
| jacht | Jacht / Hunting | 21 | 133 |
| journ. | Journalistiek / Journalism | 90 | 457 |
| kled. | Kleding / Clothing, Fashion | 392 | 467 |
| KM | Kwaliteitsmanagement / Quality Management | 6 | 283 |
| kunst | Kunst / Art | 147 | 1232 |
| lit. | Literatuur / Literature | 283 | 1280 |
| luchtv. | Luchtvaart / Aviation | 163 | 490 |
| market. | Marketing / Marketing, Advertising | 22 | 560 |
| material | Materiaalkunde / Materials Science | 17 | 298 |
| meteo. | Meteorologie / Meteorology | 195 | 237 |
| meubel | Meubels / Furniture | 95 | 237 |
| mijnb. | Mijnbouw / Mining & Drilling | 22 | 113 |
| mil. | Militair / Military | 233 | 429 |
| milieu | Milieu / Ecology, Environment | 111 | 751 |
| mineral. | Mineralogie / Mineralogy | 47 | 156 |
| muziek | Muziek / Music | 500 | 1785 |
| mycol. | Mycologie / Mycology | 34 | 117 |
| myth. | Mythologie / Mythology | 108 | 529 |
| naut. | Nautiek / Nautical Science | 182 | 224 |
| nucl. | Nucleaire Techniek / Nuclear Engineering | 24 | 185 |
| onom. | Onomastiek, Naamkunde / Names of Persons | 2 | 228 |
| opl. | Opleiding / Education | 164 | 1259 |
| optica | Optica / Optics | 10 | 178 |
| paard. | Paardensport / Equestrianism, Horses | 11 | 134 |
| pol. | Politiek / Politics | 661 | 1027 |
| psych. | Psychologie / Psychology | 192 | 945 |
| publ. | Publiceren / Publishing | 63 | 269 |
| recht | Recht / Law | 141 | 610 |
| reisw. | Reiswoorden / Travellers vocabulary | 29 | 714 |
| relig. | Religie / Religion | 314 | 704 |
| ret. | Retorica / Rhetoric | 5 | 415 |
| ruimteva | Ruimtevaart / Astronautics | 16 | 350 |
| sociol. | Sociologie / Sociology | 119 | 562 |
| speelg. | Speelgoed / Toys | 15 | 230 |
| spellen | Spellen / Games | 78 | 933 |
| spoorw. | Spoorwegen / Rail | 86 | 222 |
| sport | Sport / Sports | 502 | 976 |
| spreekw. | Spreekwoord / Proverb | 44 | 634 |
| stat. | Statistiek / Statistics | 10 | 366 |
| T | T / Taxonomic terms for animals, plants and fungi (incl. varieties and breeds) | 3377 | 10 |
| taal. | Taalkunde / Linguistics | 311 | 1464 |
| tandh. | Tandheelkunde / Dental Medicine | 22 | 134 |
| tech. | Technologie / Technology | 120 | 1303 |
| telecom. | Telecommunicatie / Telecommunications | 26 | 551 |
| textiel | Textiel, textielindustrie / Textiles, Textile Industry | 20 | 162 |
| theater | Theater / Theatre | 70 | 511 |
| toerisme | Toerisme / Travel Industry | 93 | 546 |
| transp. | Transport / Transportation (Land Transport) | 76 | 350 |
| tuin. | Tuinbouw / Horticulture | 95 | 252 |
| TV | Televisie en Radio / Radio and Television | 69 | 567 |
| urban. | Urbanisme, Stedenbouwkunde / Urban Planning | 53 | 236 |
| UWE | UNESCO-werelderfgoed / UNESCO World Heritage | 3 | 272 |
| vakt. | Vaktaal / Specialized Term | 11 | 375 |
| valuta | Valuta / Currencies | 126 | 268 |
| vastg. | Vastgoed / Real Estate | 77 | 242 |
| verk. | Verkeerskunde / Traffic | 78 | 330 |
| verzek. | Verzekering / Insurance | 12 | 175 |
| vis | Ichtyologie, Vis / Ichthyology, fish, fishing | 201 | 114 |
| voed. | Voedingsmiddelenindustrie / Foodstuffs Industry | 108 | 312 |
| vogelk. | Vogelkunde / Ornithology | 1394 | 153 |
| wapens | Wapens / Weapons | 54 | 407 |
| werk | Werk en arbeidsmarkt / Jobs, Employment Market | 678 | 593 |
| werkt. | Werktuig / Tools | 84 | 506 |
| weten. | Wetenschap / Academic Disciplines | 256 | 1668 |
| wijnk. | Wijnkunde / Oenology | 32 | 127 |
| wisk. | Wiskunde / Mathematics | 240 | 849 |
| zeg. | Zegswijzen / Idiom | 72 | 708 |
| zoöl. | Zoölogie / Zoology, Animals | 1002 | 674 |
