sixties vs age

sixties and age both are nouns.

Word	Noun	Adjective	Verb	Adverb
sixties	Yes	No	No	No
age	Yes	No	Yes	No

sixties (noun)	age (noun)
the time of life between 60 and 70	how long something has existed
the decade from 1960 to 1969	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