grip vs impact

grip

verb
  • Of an emotion or situation: to have a strong effect upon. 

  • To firmly hold the attention of. 

  • To take hold of, particularly with the hand. 

  • To trench; to drain. 

noun
  • A person responsible for handling equipment on the set. 

  • An apparatus attached to a car for clutching a traction cable. 

  • A lot of something. 

  • A small travelling-bag or gripsack. 

  • A helpful, interesting, admirable, or inspiring person. 

  • Control, power or mastery over someone or something; a tenacious grasp; a holding fast. 

  • A channel cut through a grass verge (especially for the purpose of draining water away from the highway). 

  • A hold or way of holding, particularly with the hand. 

  • A long time. 

  • As much as one can hold in a hand; a handful. 

  • A small ditch or trench; a channel to carry off water or other liquid; a drain. 

  • A handle or other place to grip. 

  • A device for grasping or holding fast to something. 

  • Assistance; help or encouragement. 

  • A visual component on a window etc. enabling it to be resized and/or moved. 

impact

verb
  • To significantly or strongly influence or affect; to have an impact on. 

  • To stamp or impress onto something. 

  • To collide or strike, the act of impinging. 

  • To compress; to compact; to press into something or pack together. 

noun
  • A significant or strong influence or effect. 

  • A forced impinging. 

  • The striking of one body against another; collision. 

  • The force or energy of a collision of two objects. 

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