apprehension vs surprise

apprehension

noun
  • Anticipation, especially of unfavorable things such as dread or fear or the prospect of something unpleasant in the future. 

  • Opinion; conception; sentiment; idea. 

  • The faculty by which ideas are conceived or by which perceptions are grasped; understanding. 

  • The physical act of seizing or taking hold of (something); seizing. 

  • Perception; the act of understanding using one's intellect without affirming, denying, or passing any judgment 

  • The act of seizing or taking by legal process; arrest. 

surprise

noun
  • The feeling that something unexpected has happened. 

  • Something unexpected. 

verb
  • To attack unexpectedly. 

  • To take unawares. 

  • To do something to (a person) that they are not expecting, as a surprise. 

  • To cause (someone) to feel unusually alarmed or delighted by something unexpected. 

  • To undergo or witness something unexpected. 

  • To cause surprise. 

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