vertebral canal vs spinal canal

vertebral canal and spinal canal both are nouns.

Word	Noun	Adjective	Verb	Adverb
vertebral canal	Yes	No	No	No
spinal canal	Yes	No	No	No

As nouns, vertebral canal and spinal canal are synonyms defined as:

vertebral canal and spinal canal: the canal in successive vertebrae through which the spinal cord passes

Other synonyms of vertebral canal include canalis vertebralis.

vertebral canal (noun)	spinal canal (noun)
the canal in successive vertebrae through which the spinal cord passes	the canal in successive vertebrae through which the spinal cord passes