king of all one surveys vs overlord

king of all one surveys

noun
  • Possessing governing authority over a range of territory; having decisive control or oversight over all major matters within one's ambit of influence; having a satisfying position of respected leadership or comfortable prestige. 

overlord

noun
  • Anyone with overarching power or authority in a given domain. 

  • A ruler of other rulers. 

  • A feudal lord directly owed rent or personal service by a tenant of subinfeudated land, a tenant's liege lord. 

verb
  • To rule over; to domineer. 

How often have the words king of all one surveys and overlord occurred in a corpus of books? (source: Google Ngram Viewer )