idle vs tug

idle

verb
  • Of an engine: to run at a slow speed, or out of gear; to tick over. 

  • To spend in idleness; to waste; to consume. 

  • To lose or spend time doing nothing, or without being employed in business. 

noun
  • An idle game. 

  • The lowest selectable thrust or power setting of an engine. 

  • The state of idling, of being idle. 

  • An idle animation. 

adj
  • Not engaged in any occupation or employment; unemployed; inactive; doing nothing in particular. 

  • Not being used appropriately; not occupied; (of time) with no, no important, or not much activity. 

  • Averse to work, labor or employment; lazy; slothful. 

  • Of no importance; useless; worthless; vain; trifling; thoughtless; silly. 

tug

verb
  • To pull or drag with great effort. 

  • To masturbate. 

  • To tow by tugboat. 

  • To pull hard repeatedly. 

noun
  • A dog toy consisting of a rope, often with a knot in it. 

  • A trace, or drawing strap, of a harness. 

  • A tugboat. 

  • An iron hook of a hoisting tub, to which a tackle is affixed. 

  • A sudden powerful pull. 

  • An act of male masturbation. 

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