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"Cebolla" is a noun which is often translated as "onion", and "naranja" is a noun which is often translated as "orange". Learn more about the difference between "cebolla" and "naranja" below.
la cebolla()
A feminine noun is almost always used with feminine articles and adjectives (e.g., la mujer bonita, la luna llena).
1. (vegetable)
la naranja()
A feminine noun is almost always used with feminine articles and adjectives (e.g., la mujer bonita, la luna llena).