retard vs seize up

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. 

seize up

verb
  • To stop functioning; to come to a halt. 

  • To stiffen or become tight and difficult to move. 

  • To stop working suddenly, and become impossible to start again. 

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