camouflage vs cloak

camouflage

verb
  • To hide or disguise something by covering it up or changing the way it looks. 

noun
  • A pattern on clothing consisting of irregularly shaped patches that are either greenish/brownish, brownish/whitish, or bluish/whitish, as used by ground combat forces. 

  • The use of natural or artificial material on personnel, objects, or tactical positions with the aim of confusing, misleading, or evading the enemy. 

  • The act of disguising. 

  • Resemblance of an organism to its surroundings for avoiding detection. 

  • A disguise or covering up. 

  • Clothes made from camouflage fabric, for concealment in combat or hunting. 

cloak

verb
  • To cover up, hide or conceal. 

  • To render or become invisible via futuristic technology. 

  • To cover as with a cloak. 

noun
  • 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 blanket-like covering, often metaphorical. 

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

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