germinal disc vs germinal area

germinal disc and germinal area both are nouns.

Word	Noun	Adjective	Verb	Adverb
germinal disc	Yes	No	No	No
germinal area	Yes	No	No	No

As nouns, germinal disc and germinal area are synonyms defined as:

germinal disc and germinal area: a layer of cells on the inside of the blastula

Other synonyms of germinal disc include blastoderm, blastodisc.

germinal disc (noun)	germinal area (noun)
a layer of cells on the inside of the blastula	a layer of cells on the inside of the blastula