Subject  | Description | Entries | Users |
| agr. | Agricultuur, Landbouw / Agriculture, Aquaculture | 30 | 111 |
| anat. | Anatomie / Anatomy | 184 | 197 |
| apo. | Apotheek / Pharmacy | 11 | 113 |
| archeo. | Archeologie / Archaeology | 19 | 150 |
| archi. | Architectuur / Architecture | 35 | 204 |
| astron. | Astronomie / Astronomy | 90 | 235 |
| audio | Audiologie / Audiology | 3 | 80 |
| bestuur. | Bestuurskunde / (Public) Administration | 2 | 192 |
| beurs | Beurswezen / Stock Exchange | 2 | 114 |
| bibl. | Bijbels / Biblical | 11 | 165 |
| biblio. | Bibliotheekwetenschap / Library Science | 1 | 89 |
| biochem. | Biochemie / Biochemistry | 8 | 130 |
| biol. | Biologie / Biology | 35 | 281 |
| biotech. | Biotechnologie / Biotechnology | 1 | 109 |
| bos. | Bosbouwkunde / Forestry | 5 | 67 |
| bot. | Botanie / Botany, Plants | 233 | 170 |
| bouwk. | Bouwkunde / Construction | 55 | 148 |
| brouw. | Brouwen / Brewing | 4 | 57 |
| chem. | Chemie, scheikunde / Chemistry | 179 | 227 |
| cosm. | Cosmetica & Lichaamsverzorging / Cosmetics & Body Care | 15 | 115 |
| dans | Dans / Dance | 9 | 178 |
| diergen. | Diergeneeskunde / Veterinary Medicine | 4 | 81 |
| drugs | Drugs / Drugs | 8 | 83 |
| druk | Druk, Typografie, Opmaak / Print, Typography, Layout | 3 | 117 |
| econ. | Economie / Economy | 14 | 402 |
| eenheid | Eenheden, Maten, Gewichten / Units, Weights, Measures | 27 | 181 |
| elektr. | Elektrotechniek, Elektronica / Electrical Engin., Electronics | 31 | 309 |
| entom. | Entomologie, Insectenkunde / Entomology | 90 | 38 |
| esot. | Esoterisme / Esotericism | 13 | 106 |
| etn. | Etnologie / Ethnology | 82 | 123 |
| EU | Europese Unie / European Union | 1 | 278 |
| F | Fictie / Fiction: Names and Titles in Literature, Film, TV, Arts | 2 | 365 |
| fiets | Fiets / Bicycle | 5 | 216 |
| film | Film / Film | 56 | 590 |
| filos. | Filosofie / Philosophy | 15 | 405 |
| fin. | Financiën / Finance | 9 | 287 |
| foto. | Fotografie / Photography | 17 | 376 |
| fys. | Fysica / Physics | 59 | 340 |
| gastr. | Gastronomie, Koken / Gastronomy, Cooking | 325 | 296 |
| genees. | Geneeskunde / Medicine | 182 | 348 |
| geogr. | Geografie / Geography | 1044 | 364 |
| geol. | Geologie / Geology | 19 | 128 |
| gesch. | Geschiedenis / History | 69 | 570 |
| handel | Handel / Commerce | 20 | 257 |
| herald. | Heraldiek / Heraldry | 1 | 44 |
| horloges | Horloges, Klokken / Watches, Clocks | 3 | 88 |
| hydro. | Hydrologie & Hydrogeologie / Hydrology & Hydrogeology | 13 | 49 |
| ichtyo. | Ichtyologie / Ichthyology, fish, fishing | 23 | 36 |
| ind. | Industrie / Industry | 8 | 220 |
| inform. | Informatica / Computer Sciences | 33 | 668 |
| internet | Internet / Internet | 21 | 595 |
| journ. | Journalistiek / Journalism | 10 | 185 |
| kled. | Kleding / Clothing, Fashion | 233 | 200 |
| kunst | Kunst / Art | 25 | 532 |
| lit. | Literatuur / Literature | 42 | 565 |
| luchtv. | Luchtvaart / Aviation | 52 | 203 |
| mec. | Mechaniek / Automotive Engineering | 37 | 209 |
| meteo. | Meteorologie / Meteorology | 81 | 89 |
| meub. | Meubels / Furniture | 11 | 102 |
| mijnb. | Mijnbouw / Mining | 2 | 49 |
| mil. | Militair / Military | 61 | 187 |
| milieu | Milieu / Ecology, Environment | 6 | 307 |
| mineral. | Mineralogie / Mineralogy | 35 | 62 |
| mus. | Muziek / Music | 98 | 815 |
| mycol. | Mycologie / Mycology | 7 | 40 |
| myth. | Mythologie / Mythology | 10 | 221 |
| naut. | Nautik / Nautical Science | 117 | 94 |
| nucl. | Nucleaire Techniek / Nuclear Engineering | 3 | 78 |
| opl. | Opleiding / Education | 34 | 550 |
| orn. | Ornithologie, Vogelkunde / Ornithology | 173 | 53 |
| pol. | Politiek / Politics | 207 | 414 |
| psych. | Psychologie / Psychology | 65 | 407 |
| publ. | Publiceren / Publishing | 11 | 112 |
| recht | Recht / Law | 46 | 284 |
| relig. | Religie / Religion | 85 | 316 |
| ret. | Retorica / Rhetoric | 2 | 182 |
| speelg. | Speelgoed / Toys | 3 | 91 |
| spellen | Spellen / Games | 22 | 344 |
| spoorw. | Spoorwegen / Rail | 61 | 97 |
| sport | Sport / Sports | 204 | 467 |
| spreekw. | Spreekwoord / Proverb | 16 | 293 |
| taal. | Taalkunde / Linguistics | 235 | 590 |
| tandh. | Tandheelkunde / Dental Medicine | 3 | 58 |
| tech. | Technologie / Technology | 37 | 534 |
| telecom. | Telecommunicatie / Telecommunications | 9 | 238 |
| textiel | Textiel, textielindustrie / Textiles, Textile Industry | 6 | 57 |
| theater | Theater / Theatre | 16 | 243 |
| transp. | Transport / Transportation (Land Transport) | 27 | 146 |
| tuin. | Tuinbouw / Horticulture | 7 | 105 |
| TV | Televisie en Radio / Radio and Television | 6 | 265 |
| vakt. | Vaktaal / Specialized Term | 3 | 160 |
| valuta | Valuta / Currencies | 121 | 104 |
| vast. | Vastgoed / Real Estate | 1 | 112 |
| verk. | Verkeerskunde / Traffic | 13 | 133 |
| voed. | Voedingsmiddelenindustrie / Foodstuffs Industry | 15 | 129 |
| wapens | Wapens / Weapons | 23 | 177 |
| werk | Werk en arbeidsmarkt / Jobs, Employment Market | 104 | 261 |
| werkt. | Werktuig / Tools | 24 | 209 |
| weten. | Wetenschap / Academic Disciplines | 31 | 652 |
| wijnk. | Wijnkunde / Oenology | 5 | 53 |
| wisk. | Wiskunde / Mathematics | 80 | 339 |
| zeg. | Zegswijzen / Idiom | 70 | 468 |
| zoöl. | Zoölogie / Zoology, Animals | 302 | 317 |
