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"Mandril" is a noun which is often translated as "mandrill", and "mangosta" is a noun which is often translated as "mongoose". Learn more about the difference between "mandril" and "mangosta" below.
el mandril()
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
la mangosta()
A feminine noun is almost always used with feminine articles and adjectives (e.g., la mujer bonita, la luna llena).