How to say "participation" in Japanese

• 参加さんかJLPT N3approx.Common
  noun, suru verb, intransitive verbThe default, all-purpose word for participation or joining in an event, activity, or group. When you simply mean taking part and no more specific nuance is needed, this is usually the word you want.
  あなたは競技きょうぎに参加さんかしましたか。↗

  Did you take part in the game?
• 出場しゅつじょうCommon
  noun, suru verb, intransitive verbCovers participation specifically in a tournament, match, race, or similar competition, where the sense is entering and competing. Use this for sports and contests, not for general events or activities.
  ２０チームがトーナメントに出場しゅつじょうした。↗

  Twenty teams entered the tournament.
• 関与かんよJLPT N1approx.Common
  noun, suru verb, intransitive verbMeans being concerned in or involved in something, often affairs, decisions, or matters one might keep out of. It suggests involvement in what is happening rather than attendance at an event.
  ゲンドウがこの件けんに関与かんよしていたとしても不思議ふしぎではない。↗

  It is no wonder to me that Gendou has something to do with.
• 加盟かめいCommon
  noun, suru verb, intransitive verbRefers to joining or affiliating with an association, agreement, or similar body, as in accession or membership. For this sense of participation it works well; for events or activities it is not the word to reach for.
  加盟国かめいこく中ちゅう数カ国すうかこくは、Ｇ７の協定きょうていに従したがうことにあいまいな態度たいどを見みせています。↗

  Some member countries have been lax in abiding by G-7 agreements.
• 参画さんかくCommon
  noun, suru verb, intransitive verbMeans taking part in planning or in shaping an undertaking, stressing involvement in the process rather than mere attendance. Use it when someone participates in planning or decision-making; for plain attendance prefer 参加.

Use 参加 as the general word for taking part; choose 出場 for tournaments and races, 関与 for involvement in affairs, 加盟 for joining organizations or agreements, and 参画 for taking part in planning.

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

• 参加さんかparticipation
• 出場しゅつじょうparticipation (in a tournament, match, race, etc.)
• 関与かんよparticipation
• 加盟かめいjoining (an association, agreement, etc.)
• 参画さんかくtaking part (in planning)
• 加担かたんsupport
• 参列さんれつattendance
• 参与さんよparticipation
• コミットcommitting (oneself to)
• パーティシペーションparticipation
• 片棒担ぎかたぼうかつぎtaking part (in a crime)
• 協働きょうどうcooperation
• 関係かんけいparticipation
• 一味いちみparticipation (e.g. in a plot)