spine vs book

spine and book both are nouns.

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

spine (noun)	book (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	physical objects consisting of a number of pages bound 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	a number of sheets (ticket or stamps etc.) bound together on one edge
the series of vertebrae forming the axis of the skeleton and protecting the spinal cord	a written work or composition that has been published (printed on pages bound together)
a small sharp-pointed tip resembling a spike on a stem or leaf	a written version of a play or other dramatic composition; used in preparing for a performance
any sharply pointed projection	a compilation of the known facts regarding something or someone
	a major division of a long written composition
	a collection of rules or prescribed standards on the basis of which decisions are made
	a collection of playing cards satisfying the rules of a card game
	a record in which commercial accounts are recorded

spine (verb)	book (verb)
	engage for a performance
	record a charge in a police register
	arrange for and reserve (something for someone else) in advance
	register in a hotel booker