vertebrate foot vs vertebrate

vertebrate foot and vertebrate both are nouns.

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

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

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