vertebrate vs craniate

vertebrate and craniate both are nouns.

Word	Noun	Adjective	Verb	Adverb
vertebrate	Yes	Yes	No	No
craniate	Yes	No	No	No

As nouns, vertebrate and craniate are synonyms defined as:

vertebrate and craniate: animals having a bony or cartilaginous skeleton with a segmented spinal column and a large brain enclosed in a skull or cranium

vertebrate (noun)	craniate (noun)
animals having a bony or cartilaginous skeleton with a segmented spinal column and a large brain enclosed in a skull or cranium	animals having a bony or cartilaginous skeleton with a segmented spinal column and a large brain enclosed in a skull or cranium

vertebrate (adjective)	craniate (adjective)
having a backbone or spinal column