How to say "affect" in Japanese

• 装うよそおうCommon
  godan verb, transitive verbCovers 'affect' in the sense of pretending or feigning: putting on an appearance, manner, or feeling that is not genuine. Use it when someone affects an attitude they do not really have.
  時々ときどき周まわりで起おきていることに無関心むかんしんを装よそおう。↗

  He sometimes affects indifference to what's happening around him.
• 応えるこたえるCommon
  ichidan verb, intransitive verbCovers 'affect' in the sense of having an effect on someone, often keenly: to take a toll or strike home. Use it when something such as fatigue or harsh words has a real impact.
  それは彼かれの身みに応こたえだした。↗

  It is beginning to tell on him.
• 冒すおかすCommon
  godan verb, transitive verbCovers 'affect' in the sense of harming or afflicting. Use it when something such as illness or hardship afflicts a person.
  喫煙きつえんが彼かれの肺はいを冒おかした。↗

  Smoking has affected his lungs.

For 'affect', choose 「装う」 when someone deliberately feigns an appearance or feeling, 「応える」 when something strikes home or takes a toll on a person, and 「冒す」 when something harmful afflicts them.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• 影響を及ぼすえいきょうをおよぼすto affect
• 情動じょうどうemotion
• 差し響くさしひびくto influence
• 澄まし込むすましこむto put on airs
• 装うよそおうto pretend
• 応えるこたえるto affect
• 侵すおかすto harm
• 冒すおかすto harm
• 係るかかるto concern
• 関わるかかわるto (seriously) affect
• 飾るかざるto affect (a manner)