blotter vs written record

blotter and written record both are nouns.

Word	Noun	Adjective	Verb	Adverb
blotter	Yes	No	No	No
written record	Yes	No	No	No

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

blotter: the daily written record of events (as arrests) in a police station
written record: a written document preserving knowledge of facts or events

Other hypernyms of blotter include written account.

blotter (noun)	written record (noun)
the daily written record of events (as arrests) in a police station	a written document preserving knowledge of facts or events
absorbent paper used to dry ink