teach vs teacher

teach

noun
  • teacher 

verb
  • To pass on knowledge generally, especially as one's profession; to act as a teacher. 

  • To pass on knowledge to. 

  • To cause to know the disagreeable consequences of some action. 

  • To cause (someone) to learn or understand (something). 

teacher

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

  • The index finger; the forefinger. 

  • An indication; a lesson. 

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

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