Ability
Capability
noun
Your ability power is what you can do. This is your ability. It is also your capability.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
日本語能力
Japanese ability
コミュニケーション能力
communication skills
運動能力
athletic ability
能力がない
to not have ability
能力がある
to have ability
能力が高い
to have considerable ability
能力を高める
to increase one's ability
能力を持つ
to have ability
能力を養う
to cultivate one's ability
彼女はテレポートの能力を持っています。
She has the ability to teleport.
彼、コミュニケーション能力が高いよね。
He has strong communication skills, doesn't he?
この仕事ではどんな能力が求められていると思いますか？
What skills do you think are required for this job?