patch-up vs servicing

patch-up

noun
  • The act of patching or repairing. 

  • A hastily performed repair job; a quick fix. 

  • An instance of patching or repairing. 

servicing

noun
  • The act of performing maintenance on something. 

How often have the words patch-up and servicing occurred in a corpus of books? (source: Google Ngram Viewer )