How to Learn Japanese — Vocabulary data notices

Dictionary entries adapted from JMdict.
Copyright James William Breen and the Electronic Dictionary Research and Development Group (EDRDG).
Adapted dictionary data: Creative Commons Attribution-ShareAlike 4.0 (CC BY-SA 4.0).
Project: https://www.edrdg.org/wiki/JMdict-EDICT_Dictionary_Project.html
License and attribution requirements: https://www.edrdg.org/edrdg/licence.html
License: https://creativecommons.org/licenses/by-sa/4.0/
Distribution: jmdict-simplified 3.6.2+20261102210542, dictionary dated 2026-11-02.
https://github.com/scriptin/jmdict-simplified/releases/tag/3.6.2%2B20261102210542
Changes: selected entries and English senses, preferred written forms and explicit kana readings, learner-facing POS labels, suggested study groups, and source-linked example associations. This collection is not endorsed by EDRDG.

Imported example sentences: Tatoeba / Tanaka Corpus contributors.
Creative Commons Attribution 2.0 France (CC BY 2.0 FR).
https://creativecommons.org/licenses/by/2.0/fr/
https://tatoeba.org/en/downloads
Each displayed example includes the Japanese and English contributor names and source links. The exact contributor names, sentence IDs, English translation IDs, and original texts are retained in the distributed flashcard data. Current October 31, 2026 Japanese and English export text was matched to the source pair. No unverified sentence kana transcription is published.

150 starter cards and their bilingual examples: original How to Learn Japanese teaching material authored with AI assistance.

Full provenance, source checksums, scope, and review limits: /practice/sources/ and FLASHCARD-DATA.md in the source repository.
The entire collection has not undergone an independent Japanese teacher review. Do not describe this collection as an official JLPT syllabus or a definitive frequency ranking.