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"Segundo apellido" is a noun which is often translated as "second surname", and "primer" is an adjective which is often translated as "first". Learn more about the difference between "segundo apellido" and "primer" below.
el segundo apellido()
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
1. (general)
a. second surname
Mi segundo apellido es el primer apellido de mi madre.My second surname is my mother's first surname.
b. second last name
Hay dos Casco en la lista. ¿Cuál es su segundo apellido?There are two Cascos on the list. What's your second last name?
primer()
An adjective is a word that describes a noun (e.g., the big dog).
