size up vs valuate

size up

verb
  • To evaluate; to estimate or anticipate the magnitude, difficulty, or strength of something. 

  • To wear a larger size of clothing. 

valuate

verb
  • To estimate the value of something; to appraise or to make a valuation. 

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