Paleolithic Age vs Paleolithic

Paleolithic Age and Paleolithic both are nouns.

Word	Noun	Adjective	Verb	Adverb
Paleolithic Age	Yes	No	No	No
Paleolithic	Yes	No	No	No

As nouns, Paleolithic Age and Paleolithic are synonyms defined as:

Paleolithic Age and Paleolithic: second part of the Stone Age beginning about 750,000 to 500,000 years BC and lasting until the end of the last ice age about 8,500 years BC

Other synonyms of Paleolithic Age include Palaeolithic.

Paleolithic Age (noun)	Paleolithic (noun)
second part of the Stone Age beginning about 750,000 to 500,000 years BC and lasting until the end of the last ice age about 8,500 years BC	second part of the Stone Age beginning about 750,000 to 500,000 years BC and lasting until the end of the last ice age about 8,500 years BC