excitement vs zeal

excitement

noun
  • something that excites. 

  • the state of being excited (emotionally aroused). 

zeal

noun
  • The fervour or tireless devotion for a person, cause, or ideal and determination in its furtherance; diligent enthusiasm; powerful interest. 

  • The collective noun for a group of zebras. 

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