childhood vs puerility

childhood and puerility both are nouns.

Word	Noun	Adjective	Verb	Adverb
childhood	Yes	No	No	No
puerility	Yes	No	No	No

As nouns, childhood and puerility are synonyms defined as:

childhood and puerility: the state of a child between infancy and adolescence

childhood (noun)	puerility (noun)
the state of a child between infancy and adolescence	a property characteristic of a child
the time of person's life when they are a child	the state of a child between infancy and adolescence