antiquity vs historic period

antiquity and historic period both are nouns.

Word	Noun	Adjective	Verb	Adverb
antiquity	Yes	No	No	No
historic period	Yes	No	No	No

As nouns, historic period is a hypernym of antiquity; that is, historic period is a word with a broader meaning than antiquity:

Other hypernyms of antiquity include age.

antiquity (noun)	historic period (noun)
an artifact surviving from the past	an era of history having some distinctive feature
extreme oldness
the historic period preceding the Middle Ages in Europe