cosmos vs existence

cosmos

noun
  • The universe. 

  • Any of various mostly Mexican herbs of the genus Cosmos having radiate heads of variously coloured flowers and pinnate leaves. 

  • An ordered, harmonious whole. 

existence

noun
  • Empirical reality; the substance of the physical universe. (Dictionary of Philosophy; 1968) 

  • The state of being, existing, or occurring; beinghood. 

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