coerce vs retard

coerce

verb
  • To restrain by force, especially by law or authority; to repress; to curb. 

  • To use force, threat, fraud, or intimidation in an attempt to compel one to act against their will. 

  • To force an attribute, normally of a data type, to take on the attribute of another data type. 

retard

verb
  • To decelerate; to slow down. 

  • To put off; to postpone. 

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