sacking vs wrecking

sacking

noun
  • Firing or termination of an employee. 

  • Cheap rough cloth such as would be used to make bags (sacks). 

wrecking

noun
  • The act by which something is wrecked. 

  • The taking of valuables from a shipwreck close to the shore. 

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