canalis vertebralis vs spinal canal

canalis vertebralis and spinal canal both are nouns.

Word	Noun	Adjective	Verb	Adverb
canalis vertebralis	Yes	No	No	No
spinal canal	Yes	No	No	No

As nouns, canalis vertebralis and spinal canal are synonyms defined as:

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

Other synonyms of canalis vertebralis include vertebral canal.

canalis vertebralis (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