charge sheet vs blotter

charge sheet and blotter both are nouns.

Word	Noun	Adjective	Verb	Adverb
charge sheet	Yes	No	No	No
blotter	Yes	No	No	No

As nouns, charge sheet and blotter are synonyms defined as:

charge sheet and blotter: the daily written record of events (as arrests) in a police station

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

charge sheet (noun)	blotter (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
	absorbent paper used to dry ink