appreciate vs value

appreciate

verb
  • To view as valuable. 

  • To be grateful or thankful for. 

  • To increase in value. 

  • To be fully conscious of; understand; be aware of; detect. 

value

verb
  • To regard highly; think much of; place importance upon. 

  • To fix or determine the value of; assign a value to, as of jewelry or art work. 

  • To estimate the value of; judge the worth of something. 

  • To hold dear. 

noun
  • The degree of importance given to something. 

  • The relative darkness or lightness of a color in (a specific area of) a painting etc. 

  • The valuable ingredients to be obtained by treating a mass or compound; specifically, the precious metals contained in rock, gravel, etc. 

  • The relative duration of a musical note. 

  • That which is valued or highly esteemed, such as one's morals, morality, or belief system. 

  • The amount (of money or goods or services) that is considered to be a fair equivalent for something else. 

  • The quality (positive or negative) that renders something desirable or valuable. 

  • Any definite numerical quantity or other mathematical object, determined by being measured, computed, or otherwise defined. 

  • Precise meaning; import. 

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