fu vs mastership

fu

noun
  • Expertise, mastery 

  • A Chinese literary form developed during the times of the Han dynasty that combines prose and poetry, sometimes called rhymed prose. 

  • flux unit 

mastership

noun
  • Mastery: superior skill. 

  • Mastery: dominion, superiority, control. 

  • The state or office of a master. 

  • A title of respect, sometimes ironic. 

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