laze vs unenthusiasm

laze

noun
  • Laziness. 

  • An instance of lazing. 

  • Acidic steam created when super-hot lava contacts salt water. 

verb
  • To be lazy, waste time. 

  • To pass time relaxing; to relax, lounge. 

unenthusiasm

noun
  • Lack of enthusiasm. 

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