author vs outgrowth

author

noun
  • Someone who writes books for a living. 

  • The originator or creator of a work, especially of a literary composition. 

verb
  • To create a work as its author. 

outgrowth

noun
  • An appendage of an animal. 

  • A branch or offshoot of a plant. 

  • Excessive growth. 

  • A byproduct or consequence of an action or event. 

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