The correct answer is B. The correct spelling of the word is "artillery".

  • Amorphous is an adjective that means "without a definite shape or form".
  • Attrition is a noun that means "the gradual wearing away of something by constant use or pressure".
  • Accessory is a noun that means "a thing that is added to something else in order to make it complete or more useful".
  • Artillery is a noun that means "the branch of an army that is armed with large guns".

The word "artillery" is spelled incorrectly in option B. The correct spelling is "artillery".