This is the 11888th most frequent Spanish word.
huesos
Bones.
Here, 'huesos' refers to the anatomical bones that make up the human skeletal system.
Los huesos son la estructura principal del cuerpo humano.
Bones are the main structure of the human body.
In this usage, 'huesos' metaphorically expresses physical soreness or discomfort involving the skeletal frame due to exhaustion or labor.
Trabajo mucho y me duelen los huesos.
I work a lot and my bones ache.
In this sentence, 'háices' directly refers to a literal bone, which is often a treat given to dogs.