refit vs refurbish

refit

verb
  • To prepare for use again; to repair or restore. 

  • To fit again; to put back into its place. 

  • To fit out or supply again (with something). 

  • To prepare a vessel for use again (e.g. by replenishing depleted supplies or doing maintenance or repair work); (of a vessel) to be prepared for use again. 

noun
  • The process of having something fitted again, repaired or restored. 

refurbish

verb
  • To rebuild or replenish with all new material; to restore to original (or better) working order and appearance. 

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