This is the 12694th most frequent Spanish word.
niñez
Childhood.
Here, 'niñez' (childhood) is used as a noun to describe the period of time when one is a child.
Durante mi niñez, solía jugar en el parque todos los días.
During my childhood, I used to play in the park every day.
In this sentence, 'niñez' is used to signify the time in someone's life when they were a child, emphasizing nostalgia and memory.
Ella tiene recuerdos maravillosos de su niñez en el campo.
She has wonderful memories of her childhood in the countryside.
This use shows 'niñez' as a general concept referring to the phase of being a child, focusing on its importance in human development.