impact vs run into

impact

verb
  • To collide or strike, the act of impinging. 

  • To stamp or impress onto something. 

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

  • 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. 

run into

verb
  • To collide with. 

  • To cause to collide with. 

  • To enter by running. 

  • To unexpectedly encounter or meet someone or something (literally or figuratively). 

  • To blend into; to be followed by or adjacent to without there being a clear boundary. 

  • To cause to blend into. 

  • To reach a large figure. 

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