lew vs obtuse

lew

adj
  • Sickly-looking, pale, wan. 

  • Weak. 

  • Lukewarm, tepid. 

  • Alee: protected from the wind. 

noun
  • Warmth, heat. 

  • A shelter from the wind, particularly temporary structures raised by shepherds to protect their flocks. 

verb
  • To make warm or lukewarm. 

  • To shelter from the wind. 

obtuse

adj
  • Intellectually dull or dim-witted. 

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

  • 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 lew and obtuse occurred in a corpus of books? (source: Google Ngram Viewer )