pauper vs subnormal

pauper

noun
  • One who is extremely poor. 

  • One living on or eligible for public charity. 

verb
  • To make a pauper of; to drive into poverty. 

subnormal

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. 

adj
  • denormal 

  • Less than normal. 

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