cray-cray vs wackadoodle

cray-cray

adj

  • Crazy. 

wackadoodle

adj

  • Crazy, irrational, or eccentric. 

noun

  • A crazy, irrational, or eccentric person. 

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