convection vs dribble

convection

noun
  • The transmission of heat in a fluid by the circulation of currents. 

  • The vertical movement of heat and moisture, especially by updrafts and downdrafts in an unstable air mass. The terms convection and thunderstorm are often used interchangeably, although thunderstorms are only one form of convection. Towering cumulus clouds are visible forms of convection. 

dribble

noun
  • A weak, unsteady stream; a trickle. 

  • Drool; saliva. 

  • A small amount of a liquid. 

  • The act of moving (with) a ball by kicking or bouncing it. 

  • A card flourish in which the cards fall smoothly from one's hand. 

verb
  • To let something fall in drips. 

  • To perform a card flourish in which the cards fall smoothly from one's hand. 

  • In various ball games, to move (with) the ball, controlling its path by kicking or bouncing it repeatedly. 

  • To let saliva drip from the mouth; to drool. 

  • To fall in drops or an unsteady stream; to trickle. 

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