How to say "retention" in Japanese

• 保持ほじCommon
  noun, suru verb, transitive verbThe default word for retention as keeping or maintaining something one already has, such as information, skills, heat, or moisture; this is the usual word for memory retention.
  あそこの会社かいしゃから技術ぎじゅつ情報じょうほうをもらうには、まず機密保持契約きみつほじけいやくを結むすばなければいけない。↗

  To get technical information from that company, we first have to sign a non-disclosure agreement.
• 保有ほゆうCommon
  noun, suru verb, transitive verbRetention as holding or possessing something one owns, especially assets, shares, land, or other property; it leans toward legal and financial contexts of possession rather than keeping abilities or information.
  その会社かいしゃはアメリカ資本しほんが５１％保有ほゆうしている。↗

  The company is 51% owned by American capital.
• 存続そんぞくJLPT N1approx.Common
  noun, suru verb, transitive verb, intransitive verbRetention in the sense of continued existence or survival: an organization, system, or tradition persisting over time. It is not about keeping something in one's possession.
  その地方ちほうではその古ふるい風俗ふうぞくがなお存続そんぞくしている。↗

  The old custom is still kept up in that district.

Use 保持 for keeping or maintaining something already held, such as memory, data, or heat; 保有 for possessing assets or property; and 存続 for the continued existence or survival of an organization, system, or tradition.

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

• 保持ほじretention
• 保有ほゆうpossession
• 存続そんぞくcontinuance
• リテンションretention
• 領置りょうちretention
• 貯留ちょりゅうaccumulation (e.g. of water)