This is the 1783rd most frequent Russian word.
интеллект
"Intellect" – the ability to think, reason, and acquire knowledge.
The word 'интеллект' is used here as a subject to denote someone's intellectual capacity.
Его интеллект поражает всех коллег.
His intellect amazes all colleagues.
Here, 'интеллект' is employed as an object, describing the intellectual capability being developed.
Развивая свой интеллект, человек открывает новые горизонты.
By developing one's intellect, a person discovers new horizons.
In this instance, 'интеллект' is part of the term 'искусственный интеллект' (artificial intelligence), showcasing a specific field of study.