This is the 8865th most frequent Russian word.
приватбанк
"PrivatBank" is the name of a Ukrainian commercial bank.
Here, 'ПриватБанке' refers specifically to the Ukrainian national bank named PrivatBank, used in the instrumental case to indicate the institution where the action occurred.
Я открыла счет в ПриватБанке на прошлой неделе.
I opened an account in PrivatBank last week.
In this sentence, 'ПриватБанк' denotes the proper name of the banking institution that provides services, functioning as the subject.
ПриватБанк предлагает удобные условия для ведения бизнеса.
PrivatBank offers convenient conditions for doing business.
The word 'ПриватБанка' is in the genitive case, implying possession, as it relates to the commercial.