put one's foot down vs skud

put one's foot down

verb
  • To make a vehicle go faster; accelerate. 

  • To insist, demand, or refuse with finality. 

skud

verb
  • To speed. 

  • To hit. 

  • To skim. 

How often have the words put one's foot down and skud occurred in a corpus of books? (source: Google Ngram Viewer )