This is the 18361st most frequent Russian word.
экономик
The Russian word "экономик" is not standard; it seems to be a truncation or misspelling. Likely intended as "экономика," meaning "economy" or "economics."
Here, 'экономика' refers to the system of economic activities and production in a country.
Экономика страны растёт быстрыми темпами.
The country's economy is growing rapidly.
In this sentence, 'экономика' denotes the academic discipline focusing on the analysis of economic systems and theories.
Он изучает экономику в университете.
He studies economics at the university.
Here, 'экономика' is used in the context of discussing activities and strategies to manage economic growth and improvement.