This is the 8498th most frequent Spanish word.
rezo
Prayer.
In this sentence, 'rezo' is the first-person singular present indicative form of the verb 'rezar', meaning 'I pray'.
Yo rezo todas las mañanas antes de empezar mi día.
I pray every morning before starting my day.
Here, 'rezo' is a noun and refers to the act of praying or the prayer itself.
El rezo de la noche nos trae paz y tranquilidad.
The evening prayer brings us peace and tranquility.
In this context, 'rezos' is the plural form of the noun 'rezo', denoting multiple prayers.