erase vs write down

erase

verb
  • To kill; assassinate. 

  • To remove a runner from the bases via a double play or pick off play 

  • To obliterate (information) from a storage medium, such as to clear or to overwrite. 

  • To obliterate information from (a storage medium), such as to clear or (with magnetic storage) to demagnetize. 

  • To disregard (a group, an orientation, etc.); to prevent from having an active role in society. 

  • to remove markings or information 

  • To be erased (have markings removed, have information removed, or be cleared of information). 

noun
  • The operation of deleting data. 

write down

verb
  • To condemn in writing; to document the faults, offenses, or wrongdoing of. 

  • Used other than figuratively or idiomatically: see write, down. 

  • To produce or set (something) down in writing; to record something. 

  • To write (something) in a simple or condescending style. 

  • To make a downward adjustment in the value of an asset. 

How often have the words erase and write down occurred in a corpus of books? (source: Google Ngram Viewer )