Attribution

The vocabulary corpus in this app is built from four open datasets. See ATTRIBUTION.md in the repository for the full text, including the share-alike note.

CEFR-J Wordlist Version 1.6

Tono Lab, Tokyo University of Foreign Studies (TUFS) — cefr-j.org. Commercial use permitted with citation.

Octanove Vocabulary Profile C1/C2

Octanove Labs, with the CEFR-J project — openlanguageprofiles/olp-en-cefrj. Licensed CC BY-SA 4.0.

Wiktionary, via kaikki.org / Wiktextract

Italian translations, IPA and pronunciation audio — kaikki.org. Licensed CC BY-SA 4.0 and GFDL.

Tatoeba

English/Italian example sentences — tatoeba.org. Licensed CC BY 2.0 FR.