craven vs cringing

craven

noun

  • A coward. 

verb

  • To make craven. 

adj

  • Unwilling to fight; lacking even the rudiments of courage; extremely cowardly. 

cringing

noun

  • Act of one who cringes. 

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