rap sheet vs day book

rap sheet and day book both are nouns.

Word	Noun	Adjective	Verb	Adverb
rap sheet	Yes	No	No	No
day book	Yes	No	No	No

As nouns, rap sheet and day book are synonyms defined as:

rap sheet and day book: the daily written record of events (as arrests) in a police station

Other synonyms of rap sheet include blotter, charge sheet, police blotter.

rap sheet (noun)	day book (noun)
the daily written record of events (as arrests) in a police station	the daily written record of events (as arrests) in a police station