This is the 4618th most frequent Russian word.
деньгах
The Russian word "деньгах" is the prepositional case form of "деньги" (money), meaning "about money" or "in money."
In this sentence, 'деньгах' is used in the prepositional case to indicate the topic of the discussion (about the money).
У нас есть информация о деньгах, которые вы вложили.
We have information about the money you invested.
Here, 'деньгах' is in the prepositional case, reflecting the involvement of money in a certain action or situation.
Он не признался в том, куда потратил на деньгах.
He did not admit where he spent the money.
In this context, 'деньгах' is again in the prepositional case, used with the preposition 'о' (about), which requires nouns to be in this case to signify contemplation or consideration.