How to say "renew" in Japanese

• 書き換えるかきかえるCommon
  ichidan verb, transitive verbCovers 'renew' when it means rewriting or overwriting — renewing something written or stored by writing its content anew, as with a document or data, rather than replacing the thing itself.
  この文章ぶんしょうは書き換かきかえなければならない。↗

  You should rewrite this sentence.
• 切り替えるきりかえるJLPT N1approx.Common
  ichidan verb, transitive verbCovers 'renew' as a changeover: switching from the old to the new, the way a contract or subscription is renewed by changing over to a new term.
• 張り替えるはりかえるCommon
  ichidan verb, transitive verbCovers 'renew' only in the physical sense of putting a new covering on something: re-covering, reupholstering or repapering a surface, such as renewing a plaster.
• 替えるかえるJLPT N3approx.Common
  ichidan verb, transitive verbIts main senses are 'to exchange' and 'to interchange', so it fits 'renew' when renewal is essentially a replacement — exchanging the old for new — and is a marginal choice otherwise.
  銀行ぎんこうに行いけばその５０ドルの小切手こぎってを現金げんきんに換かえてくれる。↗

  The bank will cash your fifty dollar check.

Choose by what the renewing involves: rewriting or overwriting content (「書き換える」), switching over to a new one (「切り替える」), putting on a new covering (「張り替える」), or simply exchanging the old for new (「替える」).

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• 書き換えるかきかえるto rewrite
• 切り替えるきりかえるto change
• 張り替えるはりかえるto re-cover
• 付け替えるつけかえるto replace
• 温めるあたためるto renew (an old friendship)
• 替えるかえるto exchange