spine vs backbone

backbone vs spine

spine and backbone both are nouns.

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

As nouns, spine and backbone are synonyms defined as:

spine and backbone: 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

As nouns, spine and backbone are synonyms defined as:

spine and backbone: the series of vertebrae forming the axis of the skeleton and protecting the spinal cord

Other synonyms of spine include back, rachis, spinal column, vertebral column.

spine (noun)	backbone (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	the part of a network that connects other networks together
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 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	fortitude and determination
a small sharp-pointed tip resembling a spike on a stem or leaf	the series of vertebrae forming the axis of the skeleton and protecting the spinal cord
any sharply pointed projection	a central cohesive source of support and stability

Difference between spine and backbone

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