boniness vs scragginess

boniness

noun
  • the property or degree of being bony 

scragginess

noun
  • Leanness or thinness, especially as tending toward haggardness; scrawniness. 

  • Roughness; irregularity; jaggedness. 

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