vertebrate vs vertebrate foot

vertebrate and vertebrate foot both are nouns.

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

vertebrate (noun)	vertebrate foot (noun)
animals having a bony or cartilaginous skeleton with a segmented spinal column and a large brain enclosed in a skull or cranium	the extremity of the limb in vertebrates

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