stencil vs variant

stencil

noun
  • A pattern produced using such a utensil. 

  • 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. 

verb
  • To print with a stencil. 

variant

noun
  • Something that is slightly different from a type or norm. 

  • A different sequence of a gene (locus). 

  • A variable that can hold any of various unrelated data types. 

  • One of a set of words or other linguistic forms that conveys the same meaning or serves the same function. 

adj
  • Showing deviation or disagreement. 

  • Showing variety, diverse. 

  • Covariant and/or contravariant. 

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