knowing vs obtuse

knowing

adj
  • Deliberate, wilful. 

  • The ability to know something without being taught. 

  • Suggestive of private knowledge or understanding. 

  • Possessing knowledge or understanding; knowledgeable, intelligent. 

  • Shrewd or showing clever awareness; discerning. 

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

prep
  • Given my knowledge about someone or something. 

noun
  • The act or condition of having knowledge. 

obtuse

adj
  • Blunt; not sharp, pointed, or acute in form. 

  • Intellectually dull or dim-witted. 

  • Obtuse-angled, having an obtuse angle. 

  • Blunt, or rounded at the extremity. 

  • Of sound, etc.: deadened, muffled, muted. 

  • Indirect or circuitous. 

  • Larger than one, and smaller than two right angles, or more than 90° and less than 180°. 

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