Dictionaries, word and frequency lists from the Department of Linguistics and Scandinavian Studies of the University of Oslo. (CC BY-ND-NC-SA 2.0 Generic license)
Carlquist, Erik, et al. "Well-being vocabulary in media language: An analysis of changing word usage in Norwegian newspapers." The Journal of Positive Psychology vol. 12, no. 2, 2017, pp. 99-109.
Kilgarriff, Adam; Charalabopoulou, Frieda; Gavrilidou, Maria; Johannessen, Janne Bondi; Khalil, Saussan; Kokkinakis, Sofie Johansson; Lew, Robert; Sharoff, Serge; Vadlapudi, Ravikiran & Volodina, Elena. 2014. "Corpus-based vocabulary lists for language learners for nine languages." Language Resources and Evaluation, 48:121–163, DOI 10.1007/s10579-013-9251-2.
Lind, Marianne, et al. "Norwegian Words: A lexical database for clinicians and researchers." Clinical Linguistics & Phonetics, vol. 29, no. 4, 2015, pp. 276-290.
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