This is the 2349th most frequent Portuguese word.
pará
"Pará" is a state in northern Brazil.
In this sentence, 'Pará' is used as a proper noun to denote the name of a state in Brazil.
Eu vou ao Pará nas férias.
I am going to Pará during the holidays.
Here, 'Pará' is a conjugation of the verb 'parar' in the imperative form, instructing someone to cease doing something.
Pará de fazer barulho, por favor.
Stop making noise, please.
In this case, 'Pará' indicates a place name, specifically the title of a square.