Quadruple VS
Synonym Boundary: "わけ", "いわく", "国家理性", "理"
All represent the core concept "reason", but require precise selection.
Japanese Option A
わけ
わけ (wake)
N3 / CEFR
Japanese Option B
いわく
いわく (iwaku)
N2 / CEFR
Japanese Option C
国家理性
こっかりせい (kokkarisei)
C2 / CEFR
Japanese Option D
理
ことわり
C2PLUS / CEFR
Quadruple VS Nuance Contrast & Social Differences
When expressing "reason" in Japanese, you must carefully distinguish between "わけ", "いわく", "国家理性", "理" based on context.
- わけ (わけ (wake) - Level: N3): Maps to "reason, circumstances, meaning" and is used when A versatile word implying 'reason', 'circumstance', or 'natural conclusion'. Often used in grammatical patterns like 〜わけだ.
- いわく (いわく (iwaku) - Level: N2): Maps to "reason, cause, history, legend (often with a negative connotation or mystery)" and is used when Often used to introduce something mysterious, suspicious, or with a specific backstory. Can also mean 'according to...' when quoting someone, often with skepticism..
- 国家理性 (こっかりせい (kokkarisei) - Level: C2): Maps to "reason of state / raison d'état" and is used when Essential structural term in CEFR C2 vocabulary syllabus..
- 理 (ことわり - Level: C2PLUS): Maps to "reason; principle; logic; truth (classical usage)" and is used when Essential structural term in CEFR C2PLUS vocabulary syllabus..
Context for "わけ"
毎日運動しているから、体が健康なわけだ。
Because I exercise every day, it means my body is healthy (it's natural that my body is healthy).
Context for "いわく"
その屋敷にはいわくがあると言われている。
It is said that there is a story/mystery behind that mansion.
Context for "国家理性"
私は国家理性に興味があります。
I am interested in reason of state / raison d'état.
Context for "理"
私は理に興味があります。
I am interested in reason; principle; logic; truth (classical usage).
Synonym Mastery Challenge
Which Japanese word perfectly fits this blank space?
Fill in the blank: "毎日運動しているから、体が健康な ＿＿＿ だ。" (Meaning: "Because I exercise every day, it means my body is healthy (it's natural that my body is healthy).")
🎉 Correct Answer!
Remember: "わけ" is correct here because it represents "reason, circumstances, meaning" in the context: "Because I exercise every day, it means my body is healthy (it's natural that my body is healthy).".