boracic vs close to the bone

boracic

adj

  • penniless 

  • Relating to, or impregnated with borax. 

close to the bone

adj

  • Destitute. 

  • Penetrating and relatable, to the point of causing discomfort. 

How often have the words boracic and close to the bone occurred in a corpus of books? (source: Google Ngram Viewer )