This is the 4396th most frequent Portuguese word.
aumentam
"Increase" or "they increase."
Here, 'aumentam' is used to indicate a general tendency or habitual action where food prices rise under certain conditions.
Os preços dos alimentos aumentam quando há escassez.
Food prices increase when there is a shortage.
In this sentence, 'aumentam' is applied to show the natural phenomenon of rising water levels affected by external factors such as weather conditions.
Os níveis de água aumentam após a chuva intensa.
Water levels rise after intense rain.
In this context, 'aumentam' is used to describe the increase in sales related to specific marketing actions or events aiming to attract customers.