faculty vs functionality

faculty

noun
  • an ability, power, or skill. 

  • A licence to make alterations to a church. 

  • A division of a university. 

  • The members of a profession. 

  • The academic staff at schools, colleges, universities or not-for-profit research institutes, as opposed to the students or support staff. 

  • An authority, power, or privilege conferred by a higher authority. 

functionality

noun
  • The ability to do a task, performance, or execution; a set of functions that something is able or equipped to perform. 

  • The presence of a functional group. 

  • In United States trademark law, the tendency of a product design to serve a function other than identification of the product, preventing that design from being protected as a trademark. 

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