dominant vs leading

dominant

adj
  • Ruling; governing; prevailing 

  • Predominant, common, prevalent, of greatest importance. 

  • Being the dominant 

  • Preferred and used with greater dexterity than the other, as the right hand of a right-handed person or the left hand of a left-handed one. 

  • Designating the follicle which will survive atresia and permit ovulation. 

noun
  • The fifth major tone of a musical scale (five major steps above the note in question); thus G is the dominant of C, A of D, and so on. 

  • The triad built on the dominant tone. 

  • A gene that is dominant. 

  • The dominating partner in sadomasochistic sexual activity. 

  • A species or organism that is dominant. 

leading

adj
  • Providing guidance or direction. 

  • Occurring in advance; preceding. 

  • Ranking first. 

noun
  • Vertical space added between lines; line spacing. 

  • An act by which one is led or guided. 

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