khaki vs neutral

khaki

adj
  • Dust-coloured; of the colour of dust. 

noun
  • khaki (Pantone) 

  • A British person (from the colour of the uniform of British troops, originally in the Second Boer War; compare rooinek). (In this sense the plural generally is khakies.) 

  • khaki green 

  • A soldier wearing a khaki uniform. 

  • Khaki clothing or uniform. 

  • Khaki green, a dull green colour. 

  • A strong cloth of wool or cotton, often used for military or other uniforms. 

  • A dull, yellowish-brown colour, the colour of dust. 

neutral

adj
  • Having no obvious colour; gray 

  • Having no sex; neuter. 

  • Neither positive nor negative. 

  • Not taking sides in a conflict such as war; nonaligned. 

  • Favouring neither the supporting nor opposing viewpoint of a topic of debate; unbiased. 

  • Neither beneficial nor harmful. 

  • Having a pH of or near 7, neither acidic nor alkaline. 

  • Neither positive nor negative; possessing no charge or equivalent positive and negative charge such that there is no imbalance. 

noun
  • A neutral hue. 

  • The position of a set of gears in which power cannot be transmitted to the drive mechanism. 

  • An individual or entity serving as an arbitrator or adjudicator. 

  • A person who takes no side in a dispute. 

  • An electrical terminal or conductor which has zero or close to zero voltage with respect to the ground. 

  • A nonaligned state, or a member of such a state. 

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