This is the 18193rd most frequent Russian word.
частое
"Frequent."
The word 'частое' is used as an adjective describing the consumption (употребление) of coffee, emphasizing the frequency of the action.
Частое употребление кофе может привести к бессоннице.
Frequent coffee consumption can lead to insomnia.
Here, 'частых' is used as an adjective in the plural form to describe the rains (дождей), highlighting their recurrent occurrence.
Из-за частых дождей река вышла из берегов.
Due to frequent rains, the river overflowed its banks.
In this sentence, 'частое' modifies 'опоздание', indicating the recurrent nature of the tardiness.