relaunch vs retread

relaunch

noun
  • The act or fact of launching again. 

verb
  • To launch again. 

retread

noun
  • A return over ground previously covered; a retraversal or repetition. 

  • A person who re-entered military service in World War II after serving in World War I. 

  • A used tire whose surface, the tread, has been replaced to extend its life and use. 

verb
  • To renew the tread of a tyre, providing a cheaper alternative to buying a new tyre, but potentially introducing a risk of premature failure if performed improperly. 

  • To tread again, to walk along again, to follow a path again. 

  • To replace the traction-providing surface of a vehicle that employs tires, tracks or treads. 

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