buff vs khaki

buff

noun
  • A brownish yellow colour. 

  • Any substance used to dilute (street) drugs in order to increase profits. 

  • Undyed leather from the skin of buffalo or similar animals. 

  • A military coat made of buff leather. 

  • A buffalo, or the meat of a buffalo. 

  • The greyish viscid substance constituting the buffy coat. 

  • Compressive coupler force that occurs during a slack bunched condition. 

  • A tool, often one covered with buff leather, used for polishing. 

  • A person who is very interested in a particular subject. 

  • An effect that makes a character or item stronger. 

  • The bare skin. 

adj
  • Of the color of buff leather, a brownish yellow. 

  • Physically attractive. 

  • Unusually muscular. 

verb
  • To strike. 

  • To polish and make shiny by rubbing. 

  • To make a character or an item stronger. 

  • To modify a medical chart, especially in a dishonest manner. 

khaki

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

  • 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. 

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

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