How to say "assist" in Japanese

• 手伝うてつだうJLPT N4approx.Common
  godan verb, transitive verbCovers the everyday sense of 'assist': giving someone a hand with a task or chore. It suggests doing part of the work alongside the person, as when helping cook, clean, or move house.
  いつでもお手伝てつだいします。↗

  I am always ready to help you.
• 助けるたすけるJLPT N3approx.Common
  ichidan verb, transitive verbAlso means 'to assist', but its core nuance is helping or rescuing someone in difficulty or danger. For assisting with a task, 手伝う is usually the more natural choice; this word suits saving or aiding someone.
  私は老婦人ろうふじんが通とおりを渡わたるのを助たすけた。↗

  I helped an old woman across the street.
• アシストCommon
  noun, suru verb, transitive verbA loanword used almost exclusively in sports, especially soccer, for the final pass or cross before a goal. It is not the word to use for helping someone with work; that sense calls for 手伝う or 助ける.

Use 「手伝う」 or 「助ける」 for helping someone with a task or rescuing them, reserving 「手伝う」 for hands-on help with work; use 「アシスト」 only for the sports sense of a pass leading to a goal.

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

• 手伝うてつだうto help
• 力を貸すちからをかすto assist
• 遠隔保守システムえんかくほしゅシステムASSIST
• 補殺ほさつassist
• 介すかいすto use as an intermediary
• 助けるたすけるto help
• アシストassist (final pass or cross before a goal)