dominant vs unknown

dominant

noun
  • A species or organism that is dominant. 

  • 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. 

adj
  • Predominant, common, prevalent, of greatest importance. 

  • Ruling; governing; prevailing 

  • 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. 

unknown

noun
  • A person of no identity; a nonentity 

  • A variable (usually x, y or z) whose value is to be found. 

  • Any thing, place, or situation about which nothing is known; an unknown fact or piece of information. 

adj
  • Not known; unidentified; not well known. 

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