lemon vs subnormal

lemon

noun
  • A defective or inadequate item or individual. 

  • A semitropical evergreen tree, Citrus limon, that bears such fruits. 

  • A more or less bright shade of yellow associated with lemon fruits. 

  • A yellowish citrus fruit. 

  • Favor. 

  • A piece of fanfiction involving explicit sex. 

adj
  • Containing or having the flavour/flavor and/or scent of lemons. 

  • Of the pale yellow colour/color of lemons. 

  • Smart; cheeky, vocal. 

verb
  • To flavour with lemon. 

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 lemon and subnormal occurred in a corpus of books? (source: Google Ngram Viewer )