Afroeurasia vs Afro-Eurasia

Afroeurasia and Afro-Eurasia both are nouns.

Word	Noun	Adjective	Verb	Adverb
Afroeurasia	Yes	No	No	No
Afro-Eurasia	Yes	No	No	No

As nouns, Afroeurasia and Afro-Eurasia are synonyms defined as:

Afroeurasia and Afro-Eurasia: regions of the world such as Africa, Europe and Asia that were known to Europeans before the discovery of the Americas which they called the New World

Other synonyms of Afroeurasia include Eurafrasia, Old World.

Afroeurasia (noun)	Afro-Eurasia (noun)
regions of the world such as Africa, Europe and Asia that were known to Europeans before the discovery of the Americas which they called the New World	regions of the world such as Africa, Europe and Asia that were known to Europeans before the discovery of the Americas which they called the New World