This is the 5109th most frequent Swedish word.
contreras
The word "contreras" does not exist in Swedish; it seems to be of Spanish origin, potentially a surname.
In this sentence, 'Contreras' is used as a proper noun, possibly a name, referring to an individual.
Contreras är en bra vän till mig.
Contreras is a good friend of mine.
Here, 'Contreras' is used as a surname, denoting a family group.
Familjen Contreras kom på besök från Spanien.
The Contreras family visited from Spain.
The word 'Contreras' in this context refers to the name of a person, specifically an author mentioned in the statement.