ectoderm vs ectoblast

ectoderm and ectoblast both are nouns.

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

As nouns, ectoderm and ectoblast are synonyms defined as:

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

Other synonyms of ectoderm include exoderm.

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