precision vs subtlety

precision

noun
  • The state of being precise or exact; exactness. 

  • The number of significant digits to which a value may be measured reliably. 

  • The ability of a measurement to be reproduced consistently. 

  • A bidding system that makes use of many artificial bids to describe a hand quite precisely. 

adj
  • Made, or characterized by accuracy. 

  • Used for exact or precise measurement. 

subtlety

noun
  • The quality of being done in a clever way that is not obvious or not direct; the quality of being carefully thought out. 

  • The quality of being able to notice or understand things that are not obvious. 

  • An instance of being subtle, a subtle thing, especially a subtle argument or distinction. 

  • The quality of being able to achieve one's aims through clever, delicate or indirect methods. 

  • The quality of being scarcely noticeable or difficult to discern. 

  • An ornate medieval illusion dish or table decoration, especially when made from one thing but crafted to look like another. 

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