embryonic vs embryonal

embryonic and embryonal both are adjectives.

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

As adjectives, embryonic and embryonal are synonyms defined as:

Other synonyms of embryonic include embryologic.

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