aspiration vs endeavoring

aspiration

noun
  • The act of aspiring or ardently desiring; an ardent wish or desire, chiefly after what is elevated or spiritual (with common adjunct adpositions being to and of). 

  • The action of aspirating. 

  • A burst of air that follows the release of some consonants. 

endeavoring

noun
  • The act by which one endeavors or strives; an attempt. 

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