This is the 5227th most frequent Portuguese word.
pneu
"Tire" (a rubber covering of a wheel).
In this sentence, 'pneu' refers specifically to the car's tire, emphasizing its condition and need for replacement.
O pneu do carro está furado e precisa ser trocado.
The car's tire is flat and needs to be replaced.
Here, 'pneus' is used in plural form, denoting the purchase of multiple tires suitable for winter conditions.
Passamos na loja para comprar novos pneus para o inverno.
We stopped by the shop to buy new tires for the winter.
In this context, 'pneus' refers more generally to the concept or subject of tires, involving engineering and innovation.