ride roughshod over vs run roughshod over

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). 

run roughshod over

verb
  • Synonym of ride roughshod over 

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