This is the 4316th most frequent Russian word.
банковские
"Banking" or "related to banks."
The word 'банковским' describes possession or relation to 'accounts'.
У меня есть права доступа к банковским счетам.
I have access rights to bank accounts.
The word 'Банковские' is an adjective describing the services, indicating they are related to banks.
Банковские услуги могут быть предоставлены онлайн.
Banking services can be provided online.
Here, 'Банковских' is used to describe the funds, indicating they belong to or are associated with a bank.