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Synonym Comparison

The Nuance Difference: "安心" vs "効果"

Master the exact conceptual boundary between these Japanese terms.

Japanese Term A

安心

あんしん (anshin)
B1 / CEFR Syllabus
VS
Japanese Term B

効果

こうか (kouka)
B1 / CEFR Syllabus

Nuance Contrast & Social Differences

In Japanese, both 安心 and 効果 are often translated to English but have distinct usages. 安心 (あんしん (anshin)) represents "relief, peace of mind" (Level: B1) and typically represents Essential structural term in CEFR B1 vocabulary syllabus.. On the other hand, 効果 (こうか (kouka)) translates to "effect, effectiveness" (Level: B1) and is used for Essential structural term in CEFR B1 vocabulary syllabus.. Mixing these up can sound unnatural to native Japanese speakers!
Bilingual Sentence for "安心"
私は安心に興味があります。
I am interested in relief, peace of mind.
Bilingual Sentence for "効果"
私は効果に興味があります。
I am interested in effect, effectiveness.

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 relief, peace of mind.")
🎉 Correct Answer!

Remember: "安心" fits here because it represents "relief, peace of mind" in the context: "I am interested in relief, peace of mind.".

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