hardship vs ride roughshod over

hardship

verb
  • To treat (a person) badly; to subject to hardships. 

noun
  • Difficulty or trouble; hard times. 

  • A burden, a source of difficulty that could impose a barrier. 

ride roughshod over

verb
  • To treat (someone) roughly or without care, control, moderation, or respect; to act in a bullying manner toward (someone); to damage (someone or something). 

How often have the words hardship and ride roughshod over occurred in a corpus of books? (source: Google Ngram Viewer )