How to say "organization" in Japanese

• 組織そしきJLPT N3approx.Common
  noun, suru verb, transitive verb, intransitive verbThe word you want for an organization as a structured group of people, such as a company or association; it also covers the organization or formation of something, how its parts are arranged.
  役員やくいん評議会ひょうぎかいが組織そしきされて新しん提案ていあんを協議きょうぎした。↗

  An executive council was formed to discuss the new proposal.
• 制度せいどJLPT N3approx.Common
  nounReally a system or institution — an established framework of rules or practices; its 'organization' sense is that institutional meaning, not an organization as a body of people.
  新制度しんせいどは成功せいこうだと分わかった。↗

  The new system proved a success.
• 整理せいりJLPT N3approx.Common
  noun, suru verb, transitive verbThe act of putting things in order: sorting, tidying, arranging. As 'organization' it refers to organizing things — papers, a room, one's thoughts — not to an organization as an entity.
  部屋へやの整理せいりをしたほうがいいよ。↗

  You should set your room in order.
• 編成へんせいCommon
  noun, suru verb, transitive verbOrganization as the act of composing or forming a structured whole — arranging people or things into a set formation, as when a group or unit is put together.
  この列車れっしゃは七なな両りょう編成へんせいです。↗

  This train is made up of seven cars.
• 制せいJLPT N1approx.Common
  noun, noun (suffix)A marginal way to say 'organization': its core sense is a system, and it can also mean an imperial command, so it is seldom the word you want for an organization itself.
  その企業きぎょうは週しゅう５日か労働ろうどう制せいを実施じっしした。↗

  The enterprises carried the five-day workweek.

Choose 組織 for an organization as a structured body of people, 制度 for an organized system or institution, 整理 for organizing as sorting and tidying, 編成 for arranging people or things into a formation, and treat 制 as marginal.

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

• 組織そしきorganization
• 制度せいどsystem
• 整理せいりsorting
• 編成へんせいcomposition
• 制せいsystem
• 協会きょうかいassociation
• 体系たいけいsystem
• 創設そうせつestablishment
• 創立そうりつestablishment
• 構造こうぞうstructure
• 構成こうせいcomposition
• 体制たいせいorder
• 組み立てくみたてconstruction
• 編制へんせいorganization
• オーガニゼーションorganization
• 組織化そしきかorganization
• 体系化たいけいかsystematization
• 団体だんたいorganization
• 演出えんしゅつorganization (of an event)
• 機関きかんagency
• アレンジarranging (objects, a meeting, etc.)
• 機構きこうsystem
• 成り立ちなりたちstructure
• オルグorganizing