Licences and credits

Kinoglot is © its publisher. The word data files bundled with the extension are built from the open sources below. They have been modified: filtered, merged and converted to a compact format by Kinoglot.

Word levels

• lexicon.en.cefrj.json: The CEFR-J Wordlist Version 1.5. Compiled by Yukio Tono, Tokyo University of Foreign Studies. Used under the CEFR-J terms (free for research and commercial use with citation), via Open Language Profiles.
• Octanove Vocabulary Profile C1/C2 1.0 by Octanove Labs, licensed under CC BY-SA 4.0 (included in lexicon.en.json).
• JLPT vocabulary lists by Jonathan Waller (tanos.co.uk, CC BY), as curated by yomitan-jlpt-vocab (CC BY-SA 4.0), with spellings from JMdict by the Electronic Dictionary Research and Development Group (CC BY-SA 4.0). Included in lexicon.ja.json.

Word frequencies

FrequencyWords by Hermit Dave, built from the OpenSubtitles 2018 corpus (OPUS), licensed under CC BY-SA 4.0. Used in every lexicon.<language>.json file.

Pronunciation and word forms (English)

• The CMU Pronouncing Dictionary, Copyright © 1993–2015 Carnegie Mellon University. All rights reserved. Redistribution permitted under its BSD-style licence; converted to IPA.
• wink-lemmatizer and wink-lexicon by GRAYPE Systems, MIT licence (used to build word forms).

Licence of the data files

lexicon.*.json files (except lexicon.en.cefrj.json) are adapted material distributed under CC BY-SA 4.0. lexicon.en.cefrj.json is distributed separately under the CEFR-J terms quoted above.

Software

• React and React DOM, MIT licence, © Meta Platforms, Inc. and affiliates.
• WXT, MIT licence.

Trademarks

Netflix and YouTube are trademarks of their respective owners. TOEIC® is a registered trademark of ETS. Kinoglot is not affiliated with, endorsed or approved by any of them.