coil vs uncoil

coil

verb
  • To wind cylindrically or spirally. 

  • To build a pot (etc) with clay coils. 

  • To wind or reel e.g. a wire or rope into regular rings, often around a centerpiece. 

  • To wind into loops (roughly) around a common center. 

noun
  • Any intrauterine device (Abbreviation: IUD)—the first IUDs were coil-shaped. 

  • A coil of electrically conductive wire through which electricity can flow. 

  • Entanglement; perplexity. 

  • A noise, tumult, bustle, or turmoil. 

  • Something wound in the form of a helix or spiral. 

  • A cylinder of clay. 

uncoil

verb
  • To unwind or untwist (something). 

  • To unwind or untwist oneself. 

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