This is the 3704th most frequent Arabic word.
البطاطس
Potatoes.
The word 'البطاطس' is used here to refer to the fried potato dish, indicating a manner of preparation.
أحب أكل البطاطس المقلية مع الكاتشاب.
I love eating fried potatoes with ketchup.
In this case, 'البطاطس' refers to the crop as an agricultural product being cultivated.
يزرع الفلاح البطاطس في الحقل خلال فصل الربيع.
The farmer grows potatoes in the field during spring.
Here, 'البطاطس' denotes the vegetable itself as an ingredient in cooking preparations.