enthusiastic vs reticent

enthusiastic

adj
  • With zealous fervor; excited, motivated. 

  • Relating to enthusiasm, or divine possession. 

reticent

adj
  • Hesitant or not wanting to take some action; reluctant (usually followed by a verb in the infinitive). 

  • Keeping one's thoughts and opinions to oneself; reserved or restrained. 

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