spine vs spinal

spine and spinal both are nouns.

Word	Noun	Adjective	Verb	Adverb
spine	Yes	No	No	No
spinal	Yes	Yes	No	No

spine (noun)	spinal (noun)
a sharp rigid animal process or appendage; as a porcupine quill or a ridge on a bone or a ray of a fish fin	anesthesia of the lower half of the body; caused by injury to the spinal cord or by injecting an anesthetic beneath the arachnoid membrane that surrounds the spinal cord
the part of a book's cover that encloses the inner side of the book's pages and that faces outward when the book is shelved
the series of vertebrae forming the axis of the skeleton and protecting the spinal cord
a small sharp-pointed tip resembling a spike on a stem or leaf
any sharply pointed projection

spine (adjective)	spinal (adjective)
	of or relating to the spine or spinal cord