kink vs roll over

kink

verb
  • To form a kink or twist. 

  • To laugh loudly. 

  • To be formed into a kink or twist. 

  • To gasp for breath as in a severe fit of coughing. 

noun
  • A convulsive fit of coughing or laughter; a sonorous indraft of breath; a whoop; a gasp of breath caused by laughing, coughing, or crying. 

  • A positive 1-soliton solution to the sine-Gordon equation. 

  • A tight curl, twist, or bend in a length of thin material, hair etc. 

  • An unreasonable notion; a crotchet; a whim; a caprice. 

  • A difficulty or flaw that is likely to impede operation, as in a plan or system. 

  • Peculiarity or deviation in sexual behaviour or taste. 

  • A person with peculiar sexual tastes. 

roll over

verb
  • To make a rolling motion or turn. 

  • To give in to. 

  • To increment, especially back to an initial value. 

  • To reinvest funds from a lottery into a subsequent one, because nobody won it. 

  • To reinvest funds from a maturing financial security in the same or similar investment. 

  • To easily overwhelm; to steamroller; to brush aside. 

  • To move the cursor over. 

  • To cause a rolling motion or turn. 

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