The Balanced Corpus of Contemporary Written Japanese (BCCWJ), comprising approximately 100 million words, will be expanded and updated with new data gathered from 2006 to 2025 to create the “BCCWJ2”, comprising 200 million words.

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Shonagon (Search results)

Shonagon (Search results)

Chunagon (Search screen)

Chunagon (Search screen)

BCCWJ is available online via two interfaces: Shonagon (on the left) and Chunagon (on the right). The entire database is also available for distribution for a fee.