sad vs smiley

sad

adj
  • Soggy (to refer to pastries). 

  • Causing sorrow; lamentable. 

  • Of colours: dark, deep; later, sombre, dull. 

  • Appearing sorrowful. 

  • Feeling sorrow; sorrowful, mournful. 

  • Poor in quality, bad; shameful, deplorable; later, regrettable, poor. 

  • Unfashionable; socially inadequate or undesirable. 

smiley

noun
  • A sequence of text characters used to represent a happy mood, especially :) or :-) or other depiction of smiling. 

  • A roasted sheep's head. 

  • The type of piercing of the upper frenulum (upper lip). 

  • A simplified representation of a smiling face. 

  • An improvised street weapon consisting of a length of chain with padlocks and other heavy objects affixed to one end. 

adj
  • Having one's throat slit from side to side. 

  • Cheerful and happy; smiling. 

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