nonstop vs persistent

nonstop

adj
  • Without stopping; without interruption or break. 

  • Describing a point mutation within a stop codon that causes the continued translation of an mRNA strand. 

adv
  • Without stopping; without interruption or break 

noun
  • A linguistic sound that is not a stop; a continuant. 

  • A convenience store in parts of Europe, open 24 hours a day. 

  • A nonstop journey, especially a nonstop flight. 

persistent

adj
  • non-transient. 

  • Of data or a data structure: not transient or temporary, but remaining in existence after the termination of the program that creates it. 

  • Describing a fractal process that has a positive Brown function 

  • Lasting past maturity without falling off. 

  • Obstinately refusing to give up or let go. 

  • Insistently repetitive. 

  • Indefinitely continuous. 

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