This is the 2814th most frequent Spanish word.
perros
Dogs.
Here, 'perros' is used as the plural noun 'dogs', referring to multiple canine animals in general.
Los perros juegan en el parque.
The dogs play in the park.
In this sentence, 'perros' is still a plural noun and specifies the speaker's favorite breed of dogs.
Mis perros favoritos son los labradores.
My favorite dogs are labradors.
The word 'perros' continues to be used as a plural noun, referring to dogs as possessions or companions of the individuals mentioned.