sociopathic vs wacko

sociopathic

noun

  • A sociopath. 

adj

  • Having the characteristics of a sociopath. 

  • Unconcerned about the adverse consequences of one's actions on others. 

wacko

noun

  • An amusingly eccentric or irrational person. 

adj

  • Amusingly eccentric or irrational. 

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