continual vs makeshift

continual

adj
  • Recurring in steady, rapid succession. 

  • Seemingly continuous; appearing to have no end or interruption. 

  • Forming a continuous series. 

makeshift

adj
  • Made to work or suffice; improvised; substituted. 

noun
  • A temporary (usually insubstantial) substitution. 

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