枢軸|すうじくsuujiku[0]heiban (flat)

1. nounaxle; pivot
2. nouncenter (of power, activity); central point
3. nounthe Axis (WWII alliance)

• Synonym中核ちゅうかくNeutralThe core part at the center of an organization, company, or technology, as in 「中核事業」; 「枢軸」 mostly refers to a hub of power.
• Synonym中枢ちゅうすうNeutralA command center of an institution or of the nerves; more common than 「枢軸」.
• Synonym核心かくしんNeutralThe core or essence, stressing the crux of a problem; more common than 「枢軸」.
• SynonymかなめNeutralThe most crucial part or person, as in the common phrase 「チームの要」; originally the rivet holding a folding fan's ribs together.
• Synonym基幹きかんNeutralThe backbone or foundation, mostly in industry and transport contexts such as 「基幹産業」.
• Synonym心臓部しんぞうぶNeutralThe heart region, or figuratively the most important part of a city or organization.
• Synonym枢要すうようWrittenA written/formal word for the most important or pivotal, stressing one's position, as in 「枢要な地位」.
• Related心臓しんぞうNeutralThe heart, also used figuratively for courage or a central part; far broader in use than 「枢軸」.
• Related骨髄こつずいNeutralBone marrow, figuratively the depths of one's heart or a vital point, as in 「恨み骨髄」.
• Related骨子こっしNeutralThe gist or skeleton; typically used of the 「骨子」 of a plan or bill.
• Related要点ようてんNeutralThe main point; common in everyday use and centered on what matters most, never a hub of power.
• Related眼目がんもくWrittenA written word for the main point or gist, stressing the focus of attention, as in 「眼目とする」.
• RelatedポイントNeutralA loanword covering key points, locations, and points scored; common in colloquial speech, never a hub of power.
• Related心髄しんずいWrittenA rare written word for the essence or the bottom of one's heart, stressing the innermost depths; close to 「心臓部」.

Use 「枢軸」 for the hub of a government or alliance, including the WWII Axis powers. For the core of an organization, pick 「中枢」 or 「中核」; for the crux of a problem, 「核心」 or 「要点」. The rest are figurative or specialized.

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

1. 物事ものごとの重要じゅうような箇所かしょ。
2. 政治せいじなどの中心ちゅうしん。
3. (英語えいご "Axis" の定訳ていやく) 国際こくさい関係かんけい上じょう、親密しんみつな関係かんけいにあって共同きょうどう行動こうどうをとる国々くにぐに。