bird's-eye vs fermata

bird's-eye

noun
  • A kind of tobacco. 

  • A fabric having a pattern of small circles or diamonds with a spot in each centre. 

  • A figure found in wood, especially hard maple, resembling tiny swirling eyes disrupting the smooth grain. 

adj
  • Having spots resembling the eyes of a bird. 

  • As if viewed from an altitude; panoramic. 

fermata

noun
  • The holding of a note or rest for longer than its usual duration; also the notation of such a prolongation, usually represented as a dot with a semi-circle above or below it, written above or below the prolonged note or rest. 

How often have the words bird's-eye and fermata occurred in a corpus of books? (source: Google Ngram Viewer )