This is the 6188th most frequent Portuguese word.
coke
The Portuguese word "coke" refers to "coca-cola" (a soft drink) and colloquially to "cocaine."
Here, 'coca' refers to a commonly used abbreviation for Coca-Cola.
Eu fui ao mercado e comprei uma coca.
I went to the market and bought a coke.
In this sentence, 'coque' means 'coke', a fuel derived from coal, indicating its industrial usage.
Ele utilizou coque na fornalha para produzir aço.
He used coke in the furnace to produce steel.
Again, 'coca' in this context refers to the beverage Coca-Cola, emphasizing its refreshment quality during warm weather.