fremd vs subnormal

fremd

adj
  • Strange, unusual, out of the ordinary; unfamiliar. 

  • Not kin, unrelated; foreign. 

noun
  • A stranger; someone who is not a relative; a guest. 

  • An enmity. 

subnormal

adj
  • denormal 

  • Less than normal. 

noun
  • A person whose abilities are less than normal. 

  • That part of the axis of a curved line which is intercepted between the ordinate and the normal. 

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