embryo vs embryonic

embryo is a noun but embryonic is not a noun.

Word	Noun	Adjective	Verb	Adverb
embryo	Yes	No	No	No
embryonic	No	Yes	No	No

embryo (noun)	embryonic (noun)
an animal organism in the early stages of growth and differentiation that in higher forms merge into fetal stages but in lower forms terminate in commencement of larval life
(botany) a minute rudimentary plant contained within a seed or an archegonium

embryo (adjective)	embryonic (adjective)
	in an early stage of development
	of an organism prior to birth or hatching