allow vs camouflage

allow

verb
  • To render physically possible. 

  • To not bar or obstruct. 

  • To grant, give, admit, accord, afford, or yield; to let one have. 

  • To acknowledge; to accept as true; to concede; to accede to an opinion. 

  • To grant license to; to permit; to consent to. 

  • To grant (something) as a deduction or an addition; especially to abate or deduct. 

  • To take into account by making an allowance. 

  • To decide (a request) in favour of the party who raised it; to grant victory to a party regarding (a request). 

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. 

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