accession vs recording

accession and recording both are nouns.

Word	Noun	Adjective	Verb	Adverb
accession	Yes	No	Yes	No
recording	Yes	No	No	No

accession (noun)	recording (noun)
the act of attaining or gaining access to a new office or right or position (especially the throne)	the act of making a record (especially an audio record)
the right to enter	a signal that encodes something (e.g., picture or sound) that has been recorded
agreeing with or consenting to (often unwillingly)	a storage device on which information (sounds or images) have been recorded
something added to what you already have
(civil law) the right to all of that which your property produces whether by growth or improvement
a process of increasing by addition (as to a collection or group)

accession (verb)	recording (verb)
make a record of additions to a collection, such as a library