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Synonym Nuance VS

How to say "Illness" in Japanese

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

Japanese Option A

びょうき

びょうき (byōki)
N5 / CEFR Syllabus
VS
Japanese Option B

病気

びょうき (byōki)
N4 / CEFR Syllabus

Nuance Contrast & Translation Difference

When translating "illness" into Japanese, you must choose carefully between びょうき and 病気. In Japanese, びょうき (びょうき (byōki)) is typically associated with "illness, sickness" (Syllabus Level: N5) and represents A general term for being unwell. Used with verbs like 「になります」. On the other hand, 病気 (びょうき (byōki)) maps to "illness, sickness" (Syllabus Level: N4) and represents A noun referring to a state of poor health. Often used with になる. A literal translation of "illness" can often sound unnatural to native Japanese speakers if mixed up!
Bilingual Context for "びょうき"
彼はびょうきなので、学校を休みました。
He was sick, so he took a day off school.
Bilingual Context for "病気"
彼は病気で学校を休みました。
He was absent from school due to illness.

Nuance Mastery Quiz

Which Japanese word perfectly fits this blank space?

Fill in the blank: "彼は ___ なので、学校を休みました。" (Meaning: "He was sick, so he took a day off school.")
🎉 Correct Answer!

Remember: "びょうき" fits here because it means "illness, sickness" in the context of: "He was sick, so he took a day off school.". "病気" represents "illness, sickness".

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