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"Santo" is an adjective which is often translated as "holy", and "San" is an adjective which is often translated as "Saint". Learn more about the difference between "santo" and "San" below.
santo, el santo, la santa()
An adjective is a word that describes a noun (e.g., the big dog).
This means that the noun can be masculine or feminine, depending on the gender of the noun it refers to (e.g., el doctor, la doctora).
2. (religious)
a. saint
Puedes conocer las vidas de los santos en ese libro.You can learn about the lives of the saints in that book.
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
San()
An adjective is a word that describes a noun (e.g., the big dog).
1. (religious)