arouse vs retard

arouse

verb
  • To wake from sleep or stupor; to rouse. 

  • To sexually stimulate. 

  • To stimulate or induce (feelings). 

  • To cause an erection of the penis or other physical signs of sexual arousal, such as fluid secretion. 

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. 

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