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"Avenida" is a form of "avenida", a noun which is often translated as "avenue". "Edificio" is a noun which is often translated as "building". Learn more about the difference between "avenida" and "edificio" below.
la avenida()
A feminine noun is almost always used with feminine articles and adjectives (e.g., la mujer bonita, la luna llena).
el edificio()
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
