dove vs moderator

dove

noun
  • A person favouring conciliation and negotiation rather than conflict. 

  • Term of endearment for one regarded as pure and gentle. 

  • A greyish, bluish, pinkish colour like that of the bird. 

  • A pigeon, especially one smaller in size; a bird (often arbitrarily called either a pigeon or a dove or both) of more than 300 species of the family Columbidae. 

verb
  • Strong simple past tense of dive 

moderator

noun
  • An arbitrator or mediator. 

  • The person who presides over a synod of a Presbyterian Church. 

  • A substance (often water or graphite) used to decrease the speed of fast neutrons in a nuclear reactor and hence increase likelihood of fission. 

  • The chair or president of a meeting, etc. 

  • An examiner at Oxford and Cambridge universities. 

  • Someone who supervises and monitors the setting and marking of examinations by different people to ensure consistency of standards. 

  • A kind of lamp in which the flow of the oil to the wick is regulated. 

  • At the University of Dublin, either the first (senior) or second (junior) in rank in an examination for the degree of Bachelor of Arts. 

  • A mechanical arrangement for regulating motion in a machine, or producing equality of effect. 

  • A person who enforces the rules of a discussion forum by deleting posts, banning users, etc. 

  • A device used to deaden some of the noise from a firearm, although not to the same extent as a suppressor or silencer. 

  • Someone who moderates. 

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