This is the 17974th most frequent Russian word.
фейка
The Russian word "фейка" means "fake" or "false information."
Here, 'фейком' is used as a noun in the instrumental case referring to false information or a hoax.
Эта новость оказалась фейком.
This news turned out to be fake.
The word 'фейка' is in the singular accusative case referring to a single piece of false information.
Я случайно опубликовал фейка, извините за путаницу.
I accidentally published a fake, sorry for the confusion.
In this sentence, 'фейки' is used in the plural nominative case to refer to fabricated stories or claims.