ebullience vs verve

ebullience

noun
  • The quality of enthusiastic or lively expression of feelings and thoughts. 

  • A boiling or bubbling up; an ebullition. 

verve

noun
  • Enthusiasm, rapture, spirit, or vigour, especially of imagination such as that which animates an artist, musician, or writer, in composing or performing. 

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