ape vs unthreatening

ape

adj
  • Wild; crazy. 

noun
  • Any such primate other than a human. 

  • A primate of the clade Hominoidea, generally larger than monkeys and distinguished from them by having no tail. 

  • One who apes; a foolish imitator. 

  • An uncivilized person. 

verb
  • To imitate or mimic, particularly to imitate poorly. 

  • To behave like an ape. 

unthreatening

adj
  • Not threatening 

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