slack vs waste

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. 

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. 

adv
  • Slackly. 

waste

noun
  • A vast expanse of water. 

  • A place that has been laid waste or destroyed. 

  • A cause of action which may be brought by the owner of a future interest in property against the current owner of that property to prevent the current owner from degrading the value or character of the property, either intentionally or through neglect. 

  • Destruction or devastation caused by war or natural disasters; see "to lay waste". 

  • A disused mine or part of one. 

  • Excrement or urine. 

  • Gradual loss or decay. 

  • Material derived by mechanical and chemical erosion from the land, carried by streams to the sea. 

  • The part of the land of a manor (of whatever size) not used for cultivation or grazing, nowadays treated as common land. 

  • The action or progress of wasting; extravagant consumption or ineffectual use. 

  • Excess of material, useless by-products, or damaged, unsaleable products; garbage; rubbish. 

  • A large tract of uncultivated land. 

  • A wasteland; an uninhabited desolate region; a wilderness or desert. 

  • Large abundance of something, specifically without it being used. 

  • A decaying of the body by disease; atrophy; wasting away. 

adj
  • Barren; desert. 

  • Superfluous; needless. 

  • Rejected as being defective; eliminated as being worthless; produced in excess. 

  • Useless and contemptible. 

  • Dismal; gloomy; cheerless. 

  • Unfortunate; disappointing. 

verb
  • To devastate; to destroy. 

  • To kill; to murder. 

  • To gradually lose weight, weaken, become frail. 

  • To squander (money or resources) uselessly; to spend (time) idly. 

  • To wear away by degrees; to impair gradually; to deteriorate; to diminish by constant loss; to use up; to consume; to spend; to wear out. 

  • To be diminished; to lose bulk, substance, strength, value etc. gradually. 

  • To damage, impair, or injure (an estate, etc.) voluntarily, or by allowing the buildings, fences, etc., to fall into decay. 

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