wordfreq 3.2 by Robyn Speer, data under CC BY-SA 4.0. Includes data from Wikipedia, OPUS OpenSubtitles 2018 (OPUS OpenSubtitles), the SUBTLEX word lists by Marc Brysbaert et al., Google Books Ngrams (Google Books Ngrams), ParaCrawl and the Leeds Internet Corpus.
Wiktionary contributors (Wiktionary, German edition), extracted with Wiktextract (Wiktextract, Tatu Ylonen) and DBnary (DBnary, Gilles Sérasset, CC BY-SA 3.0)