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"Lagos" is a form of "lago", a noun which is often translated as "lake". "Ríos" is a form of "río", a noun which is often translated as "river". Learn more about the difference between "lagos" and "ríos" below.
el lago(
lah
-
goh
)A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
a. lake
El lago Baikal en Rusia es el lago más profundo del mundo.Lake Baikal in Russia is the deepest lake in the world.
el río(
rree
-
oh
)A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
2. (abundance)
a. stream
Salía un río de gente mientras terminaba la película.A stream of people was exiting as the movie ended.