QUICK ANSWER
"El maíz" is a form of "maíz", a noun which is often translated as "corn". "El apio" is a form of "apio", a noun which is often translated as "celery". Learn more about the difference between "el maíz" and "el apio" below.
el maíz(
mah
-
ees
)A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
1. (botany)
a. corn (United States)
Regionalism used in the United States
Se cultiva mucho maíz en el estado de Ohio.A lot of corn is grown in Ohio.
b. maize (United Kingdom)
Regionalism used in the United Kingdom
Los granjeros perdieron toda la cosecha de maíz debido a la sequía.The farmers lost their entire crop of maize due to the drought.
2. (culinary)
a. sweet corn
Esta noche vamos a comer chuleta de cordero con maíz y zanahoria.Tonight we're going to eat lamb chops with sweet corn and carrots.
b. corn (United States)
Regionalism used in the United States
En Maine, una cena muy típica es el bogavante al vapor con mantequilla derretida y mazorca de maíz.A typical dinner in Maine is steamed lobster with melted butter and corn on the cob.
el apio(
ah
-
pyoh
)A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
1. (vegetable)
