tip over vs unsettle

tip over

verb
  • (to cause) to topple over and fall 

noun
  • An action where the goalkeeper deflects the ball over the crossbar. 

unsettle

verb
  • To bring into disorder or disarray 

  • To make upset or uncomfortable 

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