dally vs retard

dally

verb
  • To delay unnecessarily; to while away. 

  • To waste time in trivial activities, or in idleness; to trifle. 

  • To wind the lasso rope (ie throw-rope) around the saddle horn (the saddle horn is attached to the pommel of a western style saddle) after the roping of an animal 

  • To caress, especially of a sexual nature; to fondle or pet 

noun
  • Several wraps of rope around the saddle horn, used to stop animals in roping. 

retard

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

  • To put off; to postpone. 

  • To decelerate; to slow down. 

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 dally and retard occurred in a corpus of books? (source: Google Ngram Viewer )