retard vs rouse

retard

verb
  • To put off; to postpone. 

  • To decelerate; to slow down. 

  • To keep delaying; to continue to hinder; to prevent from progressing. 

noun
  • Retardation; delay. 

  • A slowing down of the tempo; a ritardando. 

  • A person or being who is extremely stupid or slow to learn. 

rouse

verb
  • To tell off; to criticise. 

  • To wake (someone) or be awoken from sleep, or from apathy. 

  • To provoke (someone) to action or anger. 

  • To cause, stir up, excite (a feeling, thought, etc.). 

  • To cause to start from a covert or lurking place. 

  • To pull by main strength; to haul. 

noun
  • An arousal. 

  • The sounding of a bugle in the morning after reveille, to signal that soldiers are to rise from bed, often the rouse. 

  • A carousal; a festival; a drinking frolic. 

  • An official ceremony over drinks. 

  • Wine or other liquor considered an inducement to mirth or drunkenness; a full glass; a bumper. 

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