endoskeleton vs vertebrate

endoskeleton and vertebrate both are nouns.

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

endoskeleton (noun)	vertebrate (noun)
the internal skeleton; bony and cartilaginous structure (especially of vertebrates)	animals having a bony or cartilaginous skeleton with a segmented spinal column and a large brain enclosed in a skull or cranium

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