centuplet vs yearhundred

centuplet

noun
  • Synonym of hundred: A group of 100. 

  • One of a group of 100, particularly one of 100 babies born at the same time, from the same egg, or from the same DNA. 

yearhundred

noun
  • A period of a hundred consecutive years; a century. 

  • Holonym: yearthousand 

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