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"Castellano" is a noun which is often translated as "Castilian", and "guaraní" is a noun which is often translated as "Guarani". Learn more about the difference between "castellano" and "guaraní" below.
el castellano(
kahs
-
teh
-
yah
-
noh
)A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
1. (language)
a. Castilian
Mi amigo gallego es español, pero no es castellano.My Galician friend is Spanish, but he's not Castilian.
el guaraní, la guaraní(
gwah
-
rah
-
nee
)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).
a. Guarani
Los guaraníes que conozco suelen hablar su idioma y el español o el portugués.The Guaranis I've met usually speak their language and Spanish or Portuguese.
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
2. (language)
a. Guarani
Cuando viví en Paraguay, aprendí algo de guaraní.When I lived in Paraguay, I learned some Guarani.
3. (currency)
a. guarani
Este montón de guaraníes equivale a solo unos 50 dólares.This pile of guaranis is worth only around 50 dollars.