This is the 2295th most frequent Portuguese word.
cotia
"Cotia" is the Portuguese word for "agouti," a small, rodent-like mammal native to Central and South America.
Here, 'cotia' is used as a noun to refer to the rodent species native to South and Central America.
Eu vi uma cotia correndo pelo parque.
I saw an agouti running through the park.
In this sentence, 'cotias' is used as a plural noun, still referring to the rodent species.
Ele falou que no interior há muitas cotias.
He said that in the countryside there are many agoutis.
In this instance, 'Cotia' is used as a proper noun referring to a particular city's name.