This is the 10590th most frequent Spanish word.
cubreboca
A mask or face covering.
Here, 'cubreboca' is used as a subject to refer to a mask used for health protection.
El cubreboca es esencial para protegernos de enfermedades.
The face mask is essential for protecting ourselves from illnesses.
In this instance, 'cubreboca' is used as a direct object indicating an item.
Siempre llevo un cubreboca en mi bolso por si lo necesito.
I always carry a face mask in my bag just in case I need it.
In this sentence, 'cubreboca' is used as a possessive object highlighting personal usage.