evaluate vs look into

evaluate

verb
  • To draw conclusions from examining; to assess. 

  • To compute or determine the value of (an expression). 

  • To return or have a specific value. 

look into

verb
  • to investigate, explore, or consider 

  • Used other than figuratively or idiomatically: look into. 

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