doable vs utile

doable

adj
  • Possible to do; feasible. 

  • Worthy of sexual conquest. 

noun
  • Something that can be done; a possible or practical task. 

utile

noun
  • A theoretical unit of measure of utility, for indicating a supposed quantity of satisfaction derived from an economic transaction. 

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