This is the 3482nd most frequent Japanese word.
知能
Intelligence; intellectual ability.
知能 is used to depict intellectual capabilities or IQ in this evaluative context.
彼の知能は非常に高いと評価されています。
His intelligence is evaluated as very high.
知能 refers to the ability to learn and understand, implying it can be enhanced through effort.
知能を向上させるためには努力が必要です。
Efforts are necessary to improve intelligence.
知能 is employed to describe the cognitive abilities of animals, thus extending its application beyond humans.