This is the 960th most frequent Indonesian word.
rokok
Cigarette.
In this context, 'rokok' refers to the noun 'cigarettes', indicating the act of purchasing the item.
Saya membeli rokok di toko itu.
I bought cigarettes at that store.
Here, 'rokok' is part of the verb 'merokok', related to the action of smoking.
Dia merokok di taman setiap sore.
He smokes in the park every afternoon.
In this usage, 'rokok' again refers to the noun 'cigarettes', complementing the description of their aroma.