索引|さくいんsakuin[0]heiban (flat)
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- nounindex (in a book)その本には索引がついていますか。↗Is there an index to the book?
- SynonymインデックスNeutralインデックス: A loanword; often used for database indexes in computing and for tabbed index dividers in binders, while 索引 remains the usual word for a book's index.
Use 索引 for the index of a book; インデックス is the loanword, common in computing and for index tabs, but 索引 is the default in ordinary contexts.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only


