How to say "transition" in Japanese

• 推移すいいCommon
  noun, suru verb, intransitive verbCovers transition as gradual change or progression over time, with no implied endpoint. Typical in descriptions of trends, prices, weather, or situations as they unfold.
  企業きぎょう倒産とうさんは先月せんげつも高水準こうすいじゅんに推移すいいした。↗

  Corporate bankruptcies continued at a high level last month.
• 移行いこうJLPT N1approx.Common
  noun, suru verb, transitive verb, intransitive verbTransition as a changeover from one state, system, or period to another. Best when something is being shifted to a new regime, such as transitioning to a new structure or phase.
  英国えいこくは、１９７１年ねんにその貨幣かへい制度せいどを１０進しん法ほうに移行いこうさせた。↗

  In 1971 the United Kingdom changed its currency to the decimal system.
• 転移てんいCommon
  noun, suru verb, intransitive verbLiterally a shift or moving of location or position, and in medicine the spreading of a disease. Seldom the word you want for abstract 'transition'; it really denotes physical or medical transfer.
• 変わり目かわりめCommon
  nounA transition taken as a turning point, the moment when something changes into something else, as in a turn of the tide or the turn of a century. Emphasizes the juncture itself rather than the process.
  世紀せいきの変わり目かわりめに子供こどもたちはまだ工場こうじょうで働はたらいていた。↗

  At the turn of the century, children still worked in factories.
• 変遷へんせんJLPT N1approx.Common
  noun, suru verb, intransitive verbTransition as a sequence of changes or vicissitudes over a period, often viewed retrospectively. Suits tracing how customs, institutions, or a town have changed through history.
  表面ひょうめん上じょう、本書ほんしょの大部分だいぶぶんは一連いちれんの事例じれいの変遷へんせんを記録きろくしたものである。↗

  On the surface the book consists mostly of a series of case histories.

Use 推移 for change over time, 移行 for moving to a new state or system, 変遷 for successive changes, 「変わり目」 for a turning point, and 転移 mainly for physical or medical shifting, not abstract transition.

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

• 推移すいいtransition
• 移行いこうtransition
• 転移てんいmoving (location, with the times, etc.)
• 変わり目かわりめturning point
• 変遷へんせんchange
• 変転へんてんmutation
• 変化へんかchange
• トランジションtransition
• 遷移せんいtransition (esp. in scientific, computing, etc. contexts)
• 動転どうてんtransition
• 変態へんたいtransformation