1) Deletion 2) Erasure 3) Expunging 4) The act of expunging 1) Erasure 2) Expunging 
• (n.) The act of expunging or erasing; the condition of being expunged.
Ex·punc'tion noun [ Latin expunctio execution, performance, from expungere . See Expunge .] The act of expunging or erasing; the condition of being expunged. Milton. 
[n] - deletion by an act of expunging or erasing
expunction The act of expunging (erasing) or the condition of being expunged (erased): 'The judge decided on the expunction of the records of the crime.'
expunging noun deletion by an act of expunging or erasing
the act of expunging; erasure.