This is the 5452nd most frequent Catalan word.
coincideix
"Coincideix" means "it coincides" in English.
Here, 'coincideix' is used to express the simultaneity of events — the festival happening at the same time as the end of summer.
El festival coincideix amb la fi de l'estiu.
The festival coincides with the end of summer.
Here, 'coincideix' is used to describe agreement or matching between two ideas or statements.
El que has dit coincideix exactament amb el que pensava.
What you said coincides exactly with what I was thinking.
In this sentence, 'coincideix' denotes the occurrence of the birthday on the specific day of the week (Monday) in the given year.