This is the 1045th most frequent Spanish word.
emergencias
Emergencias: Emergencies.
The word 'emergencias' is used as a plural noun referring to urgent or dangerous situations.
En caso de emergencias, llama al 911.
In case of emergencies, call 911.
Here 'emergencias' functions as a singular noun part of a compound noun describing an area designated for handling urgent medical cases.
El hospital tiene una sala de emergencias.
The hospital has an emergency room.
In this sentence, 'emergencias' serves as the plural object of the verb 'prepararse', indicating situations requiring readiness or intervention.