harm vs rough up

harm

verb
  • To cause injury to another; to hurt; to cause damage to something. 

noun
  • detriment; misfortune. 

  • physical injury; hurt; damage 

  • That which causes injury, damage, or loss. 

  • emotional or figurative hurt 

rough up

verb
  • to manhandle or beat up 

  • To make rough, to roughen (especially doing so to wood while raising the grain) 

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