knowing vs understandable

knowing

adj
  • Possessing knowledge or understanding; knowledgeable, intelligent. 

  • The ability to know something without being taught. 

  • Suggestive of private knowledge or understanding. 

  • Deliberate, wilful. 

  • Shrewd or showing clever awareness; discerning. 

  • Demonstrating knowledge of what is in fashion; stylish, chic. 

noun
  • The act or condition of having knowledge. 

prep
  • Given my knowledge about someone or something. 

understandable

adj
  • Capable of being understood; comprehensible. 

  • Capable of being accepted or excused under the circumstances. 

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