This is the 4861st most frequent Russian word.
ипотека
Mortgage.
In this sentence, the word 'ипотека' refers to a mortgage—a type of loan for real estate purposes. It is used as a noun in the accusative case as a direct object.
Я оформил ипотеку на трёхкомнатную квартиру.
I took out a mortgage for a three-room apartment.
Here, 'ипотека' is in the accusative form and represents the loan that the subject is paying back regularly. It is also a key part of the subject's routine.
Платить ипотеку каждую неделю стало для него привычкой.
Paying the mortgage every week became a habit for him.
In this case, 'ипотека' is in the nominative case and serves as the subject of the sentence, representing the concept of a mortgage in general.