Book of Job vs Job

Book of Job and Job both are nouns.

Word	Noun	Adjective	Verb	Adverb
Book of Job	Yes	No	No	No
Job	Yes	No	No	No

As nouns, Book of Job and Job are synonyms defined as:

Book of Job and Job: a book in the Old Testament containing Job's pleas to God about his afflictions and God's reply

Book of Job (noun)	Job (noun)
a book in the Old Testament containing Job's pleas to God about his afflictions and God's reply	a book in the Old Testament containing Job's pleas to God about his afflictions and God's reply
	a Jewish hero in the Old Testament who maintained his faith in God in spite of afflictions that tested him
	any long-suffering person who withstands affliction without despairing