habitual vs straightedge

habitual

adj
  • Of a person or thing: engaging in some behaviour as a habit or regularly. 

  • Pertaining to an action performed customarily, ordinarily, or usually. 

  • Of or relating to a habit; established as a habit; performed over and over again; recurrent, recurring. 

  • Regular or usual. 

noun
  • One who does something habitually, such as a serial criminal offender. 

  • A construction representing something done habitually. 

straightedge

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

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

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