ape vs screw loose

ape

noun
  • One who apes; a foolish imitator. 

  • 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. 

  • An uncivilized person. 

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

  • To behave like an ape. 

adj
  • Wild; crazy. 

screw loose

noun
  • A state of insanity or eccentricity. 

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