decipher vs stencil

decipher

verb
  • To read text that is almost illegible or obscure 

  • To decode or decrypt a code or cipher to plain text. 

  • To make sense of a complex situation. 

  • To find a solution to a problem. 

noun
  • A decipherment; a decoding. 

stencil

verb
  • To print with a stencil. 

noun
  • A two-ply master sheet for use with a mimeograph. 

  • A thin sheet, either perforated or using some other technique, with which a pattern may be produced upon a surface; a utensil that contains a perforated sheet. 

  • A pattern produced using such a utensil. 

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