ectoderm vs exoderm

ectoderm and exoderm both are nouns.

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

As nouns, ectoderm and exoderm are synonyms defined as:

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

Other synonyms of ectoderm include ectoblast.

ectoderm (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