kook vs wackadoodle

kook

noun

  • An eccentric, strange or crazy person. 

  • A boardsport participant who lacks style or skill; a newbie who acts as if they are better at the sport than they are. 

wackadoodle

noun

  • A crazy, irrational, or eccentric person. 

adj

  • Crazy, irrational, or eccentric. 

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