free spirit vs wackadoodle

free spirit

noun

  • One who is a nonconformist or who does not recognize the authority of others. 

  • A member of the organized heretic movement Brethren of the Free Spirit in opposition of the Catholic Church from the 13th to 15th centuries. 

wackadoodle

noun

  • A crazy, irrational, or eccentric person. 

adj

  • Crazy, irrational, or eccentric. 

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