Elizabethan era vs age

Elizabethan era and age both are nouns.

Word	Noun	Adjective	Verb	Adverb
Elizabethan era	Yes	No	No	No
age	Yes	No	Yes	No

Elizabethan era (noun)	age (noun)
a period in British history during the reign of Elizabeth I in the 16th century; an age marked by literary achievement and domestic prosperity	how long something has existed
	a time of life (usually defined in years) at which some particular qualification or power arises
	a late time of life
	an era of history having some distinctive feature
	a prolonged period of time