Eolithic Age vs Eolithic

Eolithic Age and Eolithic both are nouns.

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

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

Eolithic Age and Eolithic: the earliest part of the Stone Age marked by the earliest signs of human culture

Eolithic Age (noun)	Eolithic (noun)
the earliest part of the Stone Age marked by the earliest signs of human culture	the earliest part of the Stone Age marked by the earliest signs of human culture