book vs record

book and record both are nouns.

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

As nouns, book and record are synonyms defined as:

book and record: a compilation of the known facts regarding something or someone

Other synonyms of book include record book.

As nouns, record is a hypernym of book; that is, record is a word with a broader meaning than book:

As verbs, record is a hypernym of book; that is, record is a word with a broader meaning than book:

Other hypernyms of book include enter, put down.

book (noun)	record (noun)
physical objects consisting of a number of pages bound together	an extreme attainment; the best (or worst) performance ever attested (as in a sport)
a number of sheets (ticket or stamps etc.) bound together on one edge	the sum of recognized accomplishments
a written work or composition that has been published (printed on pages bound together)	sound recording consisting of a disk with a continuous groove; used to reproduce music by rotating while a phonograph needle tracks in the groove
a written version of a play or other dramatic composition; used in preparing for a performance	a list of crimes for which an accused person has been previously convicted
a compilation of the known facts regarding something or someone	a compilation of the known facts regarding something or someone
a major division of a long written composition	anything (such as a document or a phonograph record or a photograph) providing permanent evidence of or information about past events
a collection of rules or prescribed standards on the basis of which decisions are made	a document that can serve as legal evidence of a transaction
a collection of playing cards satisfying the rules of a card game	the number of wins versus losses and ties a team has had
a record in which commercial accounts are recorded

book (verb)	record (verb)
engage for a performance	make a record of; set down in permanent form
record a charge in a police register	register electronically
arrange for and reserve (something for someone else) in advance	indicate a certain reading; of gauges and instruments
register in a hotel booker	be aware of