unnatural vs villainly

unnatural

adj

  • Going against nature; perverse. 

  • Not occurring in nature, the environment or atmosphere 

  • Not natural. 

villainly

adj

  • Characteristic of a villain. 

adv

  • In the manner of a villain. 

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