calibrate vs proportion

calibrate

verb
  • To mark the scale of a measuring instrument. 

  • To measure the caliber of a tube or gun. 

  • To check or adjust by comparison with a standard. 

proportion

verb
  • To set or render in proportion. 

  • To form symmetrically. 

  • To divide into proper shares; to apportion. 

noun
  • The relation of one part to another or to the whole with respect to magnitude, quantity, or degree. 

  • Harmonious relation of parts to each other or to the whole. 

  • A quantity of something that is part of the whole amount or number. 

  • A statement of equality between two ratios. 

  • Size. 

  • Proper or equal share. 

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