quotation vs stanza

quotation

noun
  • A fragment of a human expression that is repeated by somebody else, for example from literature or a famous speech. 

  • A price that has been quoted for buying or selling. 

  • The act of setting a price. 

stanza

noun
  • A unit of a poem, written or printed as a paragraph; equivalent to a verse. 

  • An XML element which acts as basic unit of meaning in XMPP. 

  • An apartment or division in a building. 

  • A segment; a portion of a broadcast devoted to a particular topic. 

  • A period; an interval into which a sporting event is divided. 

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