libertarian vs necessitarian

libertarian

noun
  • A left-libertarian, an antiauthoritarian believer in both individual freedom and social justice (social equality and mutual aid). 

  • One who advocates liberty, either generally or in relation to a specific issue. 

  • A believer in the freedom of thinking beings to choose their own destiny, i.e. a believer in free will as opposed to those who believe the future is predetermined. 

  • A believer in libertarianism, a political doctrine that emphasizes individual liberty and a lack of governmental regulation, intervention, and oversight both in matters of the economy (‘free market’) and in personal behavior where no one’s rights are being violated or threatened. 

adj
  • Having the beliefs of libertarians; having a relative tendency towards liberty. 

necessitarian

noun
  • One who maintains the doctrine of philosophical necessity, in opposition to that of freedom of the will: opposed to libertarian. (The Century Dictionary, The Century Co., New York, 1911). 

  • necessarian 

adj
  • Of or pertaining to necessity or necessitarianism: opposed to libertarian. The Arminian has entangled the Calvinist, the Calvinist has entangled the Arminian, in a labyrinth of contradictions. The advocate of free-will appeals to conscience and instinct — to an a priori sense of what ought in equity to be. The necessitarian falls back upon the experienced reality of facts. Froude, Calvinism. (The Century Dictionary, The Century Co., New York, 1911). 

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