caitiff vs villainly

caitiff

adj

  • Especially despicable; cowardly 

noun

  • A base or despicable person; a wretch 

villainly

adj

  • Characteristic of a villain. 

adv

  • In the manner of a villain. 

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