copybook vs estimable

copybook

noun
  • A series of instructions or data definitions copied into multiple programs from a shared library; boilerplate. 

  • A student's exercise book containing samples of good handwriting to be copied. 

  • A notebook containing blank, often lined, pages for writing answers. 

estimable

adj
  • Worthy of esteem; admirable. 

  • Capable of being estimated; estimatable. 

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