cornucopia vs need

cornucopia

noun
  • A goat's horn endlessly overflowing with fruit, flowers and grain; or full of whatever its owner wanted: or, an image of a such a horn, either in two or three dimensions. 

  • A hollow horn- or cone-shaped object, filled with edible or useful things. 

  • An abundance or plentiful supply. 

need

noun
  • Lack of means of subsistence; poverty; indigence; destitution. 

  • A requirement for something; something needed. 

verb
  • To be obliged or required (to do something). 

  • To be required; to be necessary. 

  • To want strongly; to feel that one must have something. 

  • To have an absolute requirement for. 

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