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Synonym Comparison

The Nuance Difference: "買う" vs "退院する"

Master the exact conceptual boundary between these Japanese terms.

Japanese Term A

買う

かう (kau)
N5 / CEFR Syllabus
VS
Japanese Term B

退院する

たいいんする (taiin suru)
N4 / CEFR Syllabus

Nuance Contrast & Social Differences

In Japanese, both 買う and 退院する are often translated to English but have distinct usages. 買う (かう (kau)) represents "to buy" (Level: N5) and typically represents Commonly used for purchasing items. Polite form is 買います. On the other hand, 退院する (たいいんする (taiin suru)) translates to "to leave the hospital, to be discharged from the hospital" (Level: N4) and is used for Indicates the action of leaving a hospital after recovering from an illness or treatment. Opposite of 入院する.. Mixing these up can sound unnatural to native Japanese speakers!
Bilingual Sentence for "買う"
週末に新しい本を買いました。
I bought a new book on the weekend.
Bilingual Sentence for "退院する"
病気が治ったので、明日、病院を退院します。
Since I've recovered, I will be discharged from the hospital tomorrow.

Nuance Mastery Quiz

Which Japanese word perfectly fits this blank space?

Fill in the blank: "週末に新しい本を買いました。" (Meaning: "I bought a new book on the weekend.")
🎉 Correct Answer!

Remember: "買う" fits here because it represents "to buy" in the context: "I bought a new book on the weekend.".

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