dribble vs slack

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. 

slack

noun
  • A tidal marsh or shallow that periodically fills and drains. 

  • Unconditional listening attention given by client to patient. 

  • A temporary speed restriction where track maintenance or engineering work is being carried out at a particular place. 

  • The part of anything that hangs loose, having no strain upon it. 

  • Small coal; coal dust. 

  • A valley, or small, shallow dell. 

verb
  • To slacken. 

  • To lose cohesion or solidity by a chemical combination with water; to slake. 

adv
  • Slackly. 

adj
  • Moderately warm. 

  • Vulgar; sexually explicit, especially in dancehall music. 

  • Not active or busy, successful, or violent. 

  • Excess; surplus to requirements. 

  • Lax; not tense; not firmly extended. 

  • Lacking diligence or care; not earnest or eager. 

  • Lax. 

  • Moderate in speed. 

  • Weak; not holding fast. 

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