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"La lechuga" is a form of "lechuga", a noun which is often translated as "lettuce". "La cebolla" is a form of "cebolla", a noun which is often translated as "onion". Learn more about the difference between "la lechuga" and "la cebolla" below.
la lechuga()
A feminine noun is almost always used with feminine articles and adjectives (e.g., la mujer bonita, la luna llena).
1. (vegetable)
a. lettuce
Podemos hacer una ensalada con lechuga y tomates.We can make a salad with lettuce and tomatoes.
la cebolla()
A feminine noun is almost always used with feminine articles and adjectives (e.g., la mujer bonita, la luna llena).
1. (vegetable)
a. onion
El cocinero siempre pone cebolla picada en sus tacos.The cook always puts chopped onion in his tacos.