How to say "post" in Japanese

• 杭くいCommon
  nounCovers 'post' as a stake or picket driven into the ground, as for a fence. For a structural upright in a building, 柱 is the word instead.
  マンション用よう地ちは杭くいで囲かこまれている。↗

  The site of the condominium is enclosed with stakes.
• 投稿とうこうCommon
  noun, suru verb, transitive verb, intransitive verbUse this for 'post' in the internet sense — a post on a blog or social media — and for a submission to a newspaper or magazine.
  忘わすれないでこの手紙てがみを投稿とうこうしなさい。↗

  Don't forget to post this letter.
• 柱はしらJLPT N1approx.Common
  nounA pillar or post in the structural sense: an upright supporting a roof or building. For a stake driven into the ground, 杭 is the word instead.
  この橋はしは１０本ぽんの柱はしらで支ささえられている。↗

  The bridge is supported by 10 posts.
• 役職やくしょくJLPT N1approx.Common
  nounCovers 'post' only in the sense of a job or official position — the kind you are appointed to. It never means a physical post or an online post.
  彼かれは策略さくりゃくで役職やくしょくから追い出おいだされた。↗

  He was maneuvered out of office.
• 掲示けいじJLPT N3approx.Common
  noun, suru verb, transitive verbCovers 'post' as a publicly displayed notice or bulletin, or the act of putting one up. For a social media post, 投稿 is the word you want.
  掲示けいじには「全席ぜんせき予約よやく済ずみ」とあった。↗

  "Fully booked" was on the notice.

For a physical post choose 杭 (a stake in the ground) or 柱 (a structural pillar); for an online post use 投稿; for a posted notice 掲示; and for a job or official post 役職.

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

• 杭くいstake
• 投稿とうこうcontribution (to a newspaper, magazine, etc.)
• 柱はしらpillar
• 役職やくしょくpost
• 掲示けいじnotice
• 事後じごafter
• かきこpost (to a BBS)
• 郵便ゆうびんmail service
• 表示指定ひょうじしていpost
• 屯所とんしょmilitary station
• 駐屯所ちゅうとんじょmilitary station
• スレthread (on an Internet forum, mailing list, etc.)
• 郵便制度ゆうびんせいどmail system
• スッドレthread (on an Internet forum, mailing list, etc.)
• 椅子いすpost
• ポストpost
• 役やくposition (of responsibility)
• 席せきposition
• メールmail
• 便びんmail
• 貼り付けるはりつけるto station
• エントリーentry (on a blog, in a database, etc.)
• 地位ちいposition (in a company, organization, etc.)
• 張り出すはりだすto put up (a notice)
• スレッドthread (on an Internet forum, mailing list, etc.)
• 張るはるto post (a link, etc. online)
• あげるto upload (e.g. an image)