This is the 93rd most frequent Portuguese word.
segurança
"Segurança" means "safety" or "security" in English.
The word 'segurança' here refers to security measures taken to protect the building.
A segurança do edifício foi reforçada após o incidente.
The security of the building was strengthened after the incident.
In this context, 'segurança' refers to a person who provides security services (a security guard).
Ela trabalha como segurança em um grande evento na cidade.
She works as a security guard at a large event in the city.
Here, 'segurança' is used to convey the concept of personal safety while in a vehicle.