This is the 6464th most frequent Portuguese word.
díaz
The word "díaz" is not Portuguese; it appears to be a misspelling or a word from another language (such as Spanish, where "díaz" could be a surname). In Portuguese, "dia" means "day."
Used as a noun in Spanish indicating a duration of three days.
Carlos está na biblioteca há três días.
Carlos has been in the library for three days.
Misuse of a Spanish word 'día' in place of Portuguese 'dia,' indicating a mistake.
Hoje comemoramos o día internacional da paz.
Today we celebrate the International Day of Peace.
Díaz is used as a proper noun, specifically a Spanish surname.