eager vs endeavoring

eager

adj
  • Not employing lazy evaluation; calculating results immediately, rather than deferring calculation until they are required. 

  • Desirous; keen to do or obtain something. 

endeavoring

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

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