measurement vs notion

measurement

noun
  • The act of measuring. 

  • Value (quantity, magnitude, extent or amount) determined by an act of measuring. 

notion

noun
  • Inclination; intention; disposition. 

  • Mental apprehension of whatever may be known, thought, or imagined; idea, concept. 

  • A sentiment; an opinion. 

  • An invention; an ingenious device; a knickknack. 

  • Any small article used in sewing and haberdashery, either for attachment to garments or as a tool, such as a button, zipper, or thimble. 

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