cost vs vertu

cost

noun
  • Quality; condition; property; value; worth; a wont or habit; disposition; nature; kind; characteristic. 

  • A negative consequence or loss that occurs or is required to occur. 

  • Amount of money, time, etc. that is required or used. 

  • A cottise. 

verb
  • To cause something to be lost; to cause the expenditure or relinquishment of. 

  • To require to be borne or suffered; to cause. 

  • To calculate or estimate a price. 

  • To incur a charge of; to require payment of a (specified) price. 

vertu

noun
  • Moral worth; virtue, virtuousness. 

  • Especially with reference to the writings of Machiavelli (1469–1527): the requisite qualities for political or military success; vitality, determination; power. 

  • The fine arts as a subject of study or expertise; understanding of arts and antiquities. 

  • Objets d'art collectively. 

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