put pen to paper vs stencil

put pen to paper

verb

To write something (especially using pen and ink).
To begin to write something.

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 put pen to paper and stencil occurred in a corpus of books? (source: Google Ngram Viewer )