teacher vs trigger finger

teacher

noun
  • The index finger; the forefinger. 

  • A person who teaches, especially one employed in a school. 

  • An indication; a lesson. 

  • The second highest office in the Aaronic priesthood, held by priesthood holders of at least the age of 14. 

trigger finger

noun
  • the forefinger 

  • a finger used in pulling the trigger of a firearm 

  • difficulty encountered in finger flexion or extension caused by the narrowing of the sheath that surrounds that finger's tendon 

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