What is the difference between "効果" and "公課"?

"効果" means "effect, effectiveness" (B1), whereas "公課" represents "public imposts / public charges" (C2).

Kanji Homophone Battle

Pronunciation Trap: "こうか (kouka)"

Same sound, completely different Kanji! Choose the right conceptual writing.

Kanji Option A

こうか (kouka)

B1 / CEFR

Kanji Option B

こうか (kouka)

C2 / CEFR

In Japanese, many words share the exact same pronunciation "こうか (kouka)" but are written with different Kanji, changing the meaning entirely.

効果 (Level: B1): Translates to "effect, effectiveness" and is used when Essential structural term in CEFR B1 vocabulary syllabus..
公課 (Level: C2): Maps to "public imposts / public charges" and carries the nuance of Essential structural term in CEFR C2 vocabulary syllabus..

Mixing these up can easily result in unnatural writing. Look at the bilingual context cards below to master the conceptual boundaries!

Bilingual Context for "効果"

私は効果に興味があります。

I am interested in effect, effectiveness.

Bilingual Context for "公課"

私は公課に興味があります。

I am interested in public imposts / public charges.

Which Kanji perfectly fits this blank space?

Which Kanji perfectly fits the blank: "私は＿＿＿に興味があります。" (Meaning: "I am interested in effect, effectiveness.")

🎉 Correct Answer!

Correct! "効果" is used for "effect, effectiveness" in the context: "I am interested in effect, effectiveness.".