Pangea vs Pangaea

Pangea and Pangaea both are nouns.

Word	Noun	Adjective	Verb	Adverb
Pangea	Yes	No	No	No
Pangaea	Yes	No	No	No

As nouns, Pangea and Pangaea are synonyms defined as:

Pangea and Pangaea: (plate tectonics) a hypothetical continent including all the landmass of the earth prior to the Triassic period when it split into Laurasia and Gondwanaland

Pangea (noun)	Pangaea (noun)
(plate tectonics) a hypothetical continent including all the landmass of the earth prior to the Triassic period when it split into Laurasia and Gondwanaland	(plate tectonics) a hypothetical continent including all the landmass of the earth prior to the Triassic period when it split into Laurasia and Gondwanaland