How to say "share" in Japanese

• 分ぶんJLPT N3approx.Common
  noun, noun (suffix)Covers 'share' as a portion: the amount that falls to someone when something is divided out. Typical context is food, drink, or money split among people, as in setting aside someone's share.
  これが君きみの分ぶんのケーキだよ。↗

  Here is your share of the cake.
• 株式かぶしきJLPT N1approx.Common
  nounA share in a company — stock as units of corporate ownership. The term of business, financial, and legal language; in casual conversation about stocks, 株 is the word you will hear.
  ニューヨークの１９８７年ねん１０月がつの株式かぶしき大だい暴落ぼうらくはまだ生々なまなましく記憶きおくされている。↗

  The stock market crash of October 1987 in New York is still vividly remembered.
• 株かぶJLPT N3approx.Common
  noun, counterStock or shares in a company, the everyday word in talk about buying, selling, and the market. 株式 is the matching term in legal and corporate language.
  彼かれは大金たいきんを株かぶに投資とうしした。↗

  He invested a lot of money in stocks.
• シェアCommon
  noun, suru verb, transitive verbThe loanword for sharing as an action: passing something along, and above all the social-media sense of sharing a post. Not used for a portion or for company stock.
• 配当はいとうCommon
  noun, suru verb, transitive verbA share that is allotted or paid out, best known as the dividend distributed on stock. Not the word for one's portion of food or money, nor for shares of a company as such.

For a portion allotted to someone use 分; for shares of a company use 株式 or 株; for the action of sharing or a social-media share use 「シェア」; 配当 is a distributed share such as a dividend.

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

• 分ぶんpart
• 株式かぶしきshare (in a company)
• 株かぶstock
• シェアsharing
• 配当はいとうallotment
• 分け合うわけあうto share
• 持ち分もちぶんshare (of expenses)
• 分け前わけまえshare
• 分かち合うわかちあうto share
• 取り前とりまえshare
• 割り前わりまえshare
• 分け持つわけもつto share
• 分かち与えるわかちあたえるto apportion
• 分け取るわけとるto apportion
• 占有率せんゆうりつoccupancy (rate)
• 共にするともにするto do together
• 分かち持つわかちもつto have in common
• 分けるわけるto share
• 分かつわかつto share
• 得分とくぶん(one's) share
• 持ち合うもちあうto share (e.g. the expense)
• ストックstock