Dutch reference data sources

English Wiktionary via Kaikki

Noun and verb forms, English glosses, IPA transcriptions, usage labels, related words and cited example sentences were selected from the Kaikki Dutch JSONL extracts, generated 2026-08-23 from the English Wiktionary dump dated 2026-08-05. Verb records come from the corresponding Dutch verb-by-part-of-speech extract.

English Wiktionary entry text is available under the Creative Commons Attribution-ShareAlike 4.0 International license. Every generated reference page links to its exact Wiktionary entry, where contributor history is available.

FrequencyWords Dutch 50k

Selection order and exact-lemma corpus position use the FrequencyWords Dutch 50k list, derived from OpenSubtitles 2018 and licensed under CC BY-SA 4.0. Corpus position is not search volume, CEFR level, part-of-speech frequency, or a promise that every displayed meaning is frequent.

Noun selection and modifications

• Selected 1,000 lowercase exact lemmas with a de/het article, a plural and at least one Dutch example with an English translation.
• Excluded senses and forms labeled archaic, dated, historical, obsolete, offensive, rare, slang or vulgar, plus a separate unsafe-language filter.
• Deduplicated accent-normalized URL slugs, meanings and examples; limited displayed senses and examples; and grouped the library into independently crawlable A–Z hubs.
• Added original article-and-number explanations, speaking drills, self-checks, evidence boundaries, page structure and App Store attribution.

Verb selection and modifications

• Selected 300 exact lemmas with complete standard present and past anchors, a past participle, and at least two translated examples, supplementing 60 editor-written lessons.
• Kept separable forms as supplied in the source instead of mechanically inventing a joined form.
• Added original speaking-retrieval instructions, evidence boundaries, product copy, page structure and internal links.

License for adapted reference material

The adapted reference-data portions of generated pages are offered under CC BY-SA 4.0. Attribution must retain the relevant Wiktionary entry, Kaikki, FrequencyWords and this modifications record. No source author or project endorses Dutch Speaking Exam Coach.