focusing vs narrowing

focusing

adj
  • Used for or pertaining to focusing. 

  • Pertaining to the direction of attention, effort, or energy to a particular audience or purpose over time. 

noun
  • The action of the verb to focus. 

narrowing

noun
  • The process of becoming narrow. 

  • The part of a stocking that is narrowed. 

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