no end vs plenitude

no end

noun
  • A great amount. 

adv
  • Exceedingly; endlessly. 

plenitude

noun
  • An abundance; a full supply. 

  • Fullness (of the moon). 

  • The metaphysical idea that the universe contains everything that is possible. 

  • Fullness; completeness. 

How often have the words no end and plenitude occurred in a corpus of books? (source: Google Ngram Viewer )