yes
corn
Some of the crop staple food in Pakistan is wheat, rice, corn, and a lot more.
Corn was the staple crop of early Indian civilizatons in North and South America.
Maize (corn)
Corn (Maize).
You didn't say what meaning you needed, so here are a couple. The staple misfired and poked my finger. Corn is a staple crop.
The main crop raised by southern subsistence farmers was corn. Corn was a staple crop that could be grown in a variety of conditions and was a key component of the southern diet.
staple crops such as corn, barley, and oats.
Maize was by far the most important crop for Native American groups. This crop remains important today and is better known as corn.
Maize (corn) was the most important crop to the Mayans. It was a staple food source that formed the basis of their diet and agricultural economy. Maize was also a significant aspect of Mayan religious beliefs and ceremonies.
Easily grown and requiring no machinery to process, corn served as the staple food crop in the fledgling colonial economy.
The staple foods in Afghanistan is Wheat (the most important one), rice, barely and maize(which is corn). :)