cloak vs swaddle

cloak

noun
  • A blanket-like covering, often metaphorical. 

  • A long outer garment worn over the shoulders covering the back; a cape, often with a hood. 

  • That which conceals; a disguise or pretext. 

  • A text replacement for an IRC user's hostname or IP address, making the user less identifiable. 

verb
  • To cover up, hide or conceal. 

  • To render or become invisible via futuristic technology. 

  • To cover as with a cloak. 

swaddle

noun
  • Anything used to swaddle with, such as a cloth or band. 

verb
  • To bind (a baby) with long narrow strips of cloth. 

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