🦅 Project Eagle
Quadruple VS

Synonym Boundary: "する", "致す", "行う", "なさる"

All represent the core concept "do", but require precise selection.

Japanese Option A

する

する (suru)
N5 / CEFR
Japanese Option B

致す

いたす (itasu)
N4 / CEFR
Japanese Option C

行う

おこなう (okonau)
N4 / CEFR
Japanese Option D

なさる

なさる (nasaru)
N4 / CEFR

Quadruple VS Nuance Contrast & Social Differences

When expressing "do" in Japanese, you must carefully distinguish between "する", "致す", "行う", "なさる" based on context.
  • する (する (suru) - Level: N5): Maps to "to do, to make" and is used when A very versatile verb. Polite form is します.
  • 致す (いたす (itasu) - Level: N4): Maps to "to do (humble form of する)" and is used when A very humble verb used for one's own actions. It's the humble equivalent of する.
  • 行う (おこなう (okonau) - Level: N4): Maps to "to do, to conduct, to carry out, to perform" and is used when More formal than する. Typically used for conducting events, ceremonies, research, or official procedures..
  • なさる (なさる (nasaru) - Level: N4): Maps to "to do (honorific form of する)" and is used when Honorific form of する.
Mixing these up can easily lead to unnatural translations. Refer to the bilingual context cards below to master the boundaries!
Context for "する"
毎日日本語を勉強します。
I study Japanese every day.
Context for "致す"
明日、私がご説明致します。
I will explain it tomorrow (humble).
Context for "行う"
今日は会議が行われる予定だ。
A meeting is scheduled to be held today.
Context for "なさる"
先生は何をなさいますか。
What will the teacher do?

Synonym Mastery Challenge

Which Japanese word perfectly fits this blank space?

Fill in the blank: "毎日日本語を勉強します。" (Meaning: "I study Japanese every day.")
🎉 Correct Answer!

Remember: "する" is correct here because it represents "to do, to make" in the context: "I study Japanese every day.".