straightedge vs yardstick

straightedge

noun
  • A flat, rectangular tool used to draw, cut or check the straightness of straight lines. 

adj
  • Living one's life opposing or eschewing the use of substances such as alcohol, tobacco, and drugs. 

yardstick

noun
  • A measuring rod thirty-six inches (one yard) long. 

  • A standard to which other measurements or comparisons are judged. 

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