commonplace vs routine

commonplace

adj
  • Ordinary; not having any remarkable characteristics. 

noun
  • A platitude or cliché. 

  • A commonplace book. 

  • Something that is ordinary; something commonly done or occurring. 

  • A memorandum; something to be frequently consulted or referred to. 

verb
  • To make a commonplace book. 

  • To enter in a commonplace book, or to reduce to general heads. 

routine

adj
  • Ordinary with nothing to distinguish it from all the others. 

  • According to established procedure. 

  • Regular; habitual. 

noun
  • A course of action to be followed regularly; a standard procedure. 

  • A set piece of an entertainer's act. 

  • A set of normal procedures, often performed mechanically. 

  • A set of instructions designed to perform a specific task; a subroutine. 

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