This is the 16782nd most frequent Russian word.
случается
Happens.
Here, 'случаются' is used in its general sense, meaning 'to happen' or 'to occur.' It is employed in the plural and reflects events or occurrences.
Иногда в жизни случаются неожиданные моменты.
Sometimes in life, unexpected moments occur.
In this sentence, 'случается' is singular and used to describe an individual instance of something happening. It emphasizes coping with such events.
Если что-то плохое случается, старайтесь сохранять спокойствие.
If something bad happens, try to stay calm.
Here, 'случаются' extends to situations experienced by individuals, focusing on peculiar or unusual occurrences.