erasure vs offloading

erasure

noun
  • The action of erasing; deletion; obliteration. 

  • The state of having been erased; total blankness. 

  • A tendency to ignore or conceal an element of society. 

  • The place where something has been erased. 

offloading

noun
  • The act by which something is offloaded. 

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