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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(
seh
-
goon
-
doh
 
ah
-
peh
-
yee
-
doh
)
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
masculine noun
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?
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primer(
pree
-
mehr
)
An adjective is a word that describes a noun (e.g., the big dog).
adjective
a. first
Mi nombre aparece en el primer puesto de la lista.My name appears in the first place on the list.
a. first
El partido se canceló tras el primer tiempo.The match was canceled after the first half.
a. main
Nuestro primer objetivo es reducir gastos.Our main objective is to reduce expenses.
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