🦅 Project Eagle
Synonym Nuance VS

How to say "Reason" in Japanese

Both words can translate to "reason", but which should you choose?

Japanese Option A

国家理性

こっかりせい (kokkarisei)
C2 / CEFR Syllabus
VS
Japanese Option B

ことわり
C2PLUS / CEFR Syllabus

Nuance Contrast & Translation Difference

When translating "reason" into Japanese, you must choose carefully between 国家理性 and . In Japanese, 国家理性 (こっかりせい (kokkarisei)) is typically associated with "reason of state / raison d'état" (Syllabus Level: C2) and represents Essential structural term in CEFR C2 vocabulary syllabus.. On the other hand, (ことわり) maps to "reason; principle; logic; truth (classical usage)" (Syllabus Level: C2PLUS) and represents Essential structural term in CEFR C2PLUS vocabulary syllabus.. A literal translation of "reason" can often sound unnatural to native Japanese speakers if mixed up!
Bilingual 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.
Bilingual Context for "理"
私は理に興味があります。
I am interested in reason; principle; logic; truth (classical usage).

Nuance Mastery Quiz

Which Japanese word perfectly fits this blank space?

Fill in the blank: "私は ___ に興味があります。" (Meaning: "I am interested in reason of state / raison d'état.")
🎉 Correct Answer!

Remember: "国家理性" fits here because it means "reason of state / raison d'état" in the context of: "I am interested in reason of state / raison d'état.". "理" represents "reason; principle; logic; truth (classical usage)".

💡 Practice with AI! Live

Don't just read. Practice speaking this grammar with our interactive AI coach for free!

Try AI Speaking 👉