bombproof vs resistant

bombproof

adj
  • Sufficiently strong to resist the effects of a blast from a bomb. 

verb
  • To make resistant to bomb blasts. 

noun
  • An air-raid shelter, a structure designed to give protection against air raids and bombs. 

resistant

adj
  • Which makes resistance or offers opposition. 

  • Which is not affected or overcome by a disease, drug, chemical or atmospheric agent, extreme of temperature, etc. 

  • Not greatly influenced by individual members of a sample. 

noun
  • A person who resists; especially a member of a resistance movement. 

  • A thing which resists. 

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