Norsk Ordbank, Bokmål (Språkbanken / National Library of Norway), source package dated 2026-05-21: https://nongnu.uib.no/ordbanken/ordbanken-2026-05-21.tar.xz . The included dictionary data are licensed under Creative Commons Attribution 4.0 International (CC BY 4.0). Adaptation: normalized to Unicode NFC, filtered to five-letter alphabetic forms, lowercased and deduplicated; the target list contains forms marked as lemmas. Attribution and license: https://www.nb.no/sprakbanken/ressurskatalog/en/oai-nb-no-sbr-5/ and https://creativecommons.org/licenses/by/4.0/ . The generator uses data files only, not the package-maintainer software.