How to say "competency" in Japanese

• 技量ぎりょうCommon
  nounCovers competency as skill or proficiency in a task — the level of ability a person has in performing practical or technical work. Choose it when competency means how skillfully someone does something.
  私にはその仕事しごとをするだけの技量ぎりょうがない。↗

  I'm not equal to doing the task.
• 実力じつりょくJLPT N2approx.Common
  nounCovers competency as real, demonstrated ability — true strength rather than mere appearance or credentials. It suits contexts where people are judged on merit, on what they can actually do.
  けっきょく、実力じつりょくが勝かつ。↗

  Real ability wins in the end.

Choose 技量 when competency means skill or proficiency in a task, and 実力 when it means real, demonstrated ability — actual capability rather than appearance or credentials.

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

• 技量ぎりょうability
• 実力じつりょく(real) ability
• コンピテンシーcompetency