apprehension vs indecision

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. 

indecision

noun
  • The inability to decide on a course of action, especially if two or more possibilities exist. 

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