ectoblast vs exoderm

ectoblast and exoderm both are nouns.

Word	Noun	Adjective	Verb	Adverb
ectoblast	Yes	No	No	No
exoderm	Yes	No	No	No

As nouns, ectoblast and exoderm are synonyms defined as:

ectoblast and exoderm: the outer germ layer that develops into skin and nervous tissue

Other synonyms of ectoblast include ectoderm.

ectoblast (noun)	exoderm (noun)
the outer germ layer that develops into skin and nervous tissue	the outer germ layer that develops into skin and nervous tissue