angular mil vs grand

angular mil

noun
  • A unit of angular measurement equal to 1/6400 of a complete circle. At 1000 metres one mil subtends about one metre (~0,98 m). Also 1/6000 and 1/6300 are used in other countries. 

grand

noun
  • A thousand of some unit of currency, such as dollars or pounds. (Compare G.) 

  • A grand piano 

  • A grandparent or grandchild. 

adj
  • Of a large size or extent; great. 

  • Standing in the second or some more remote degree of parentage or descent (see grand-). 

  • Having higher rank or more dignity, size, or importance than other persons or things of the same name. 

  • Fine; lovely. 

  • Containing all the parts proper to a given form of composition. 

  • Great in size, and fine or imposing in appearance or impression; illustrious, dignified, magnificent. 

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