curious vs eccentric

curious

adj
  • Leading one to ask questions about; somewhat odd, out of the ordinary, or unusual. 

  • Containing or pertaining to trivalent curium. 

  • Tending to ask questions, or to want to explore or investigate; inquisitive; (with a negative connotation) nosy, prying. 

  • Caused by curiosity. 

eccentric

adj
  • Deviating from the norm; behaving unexpectedly or differently; unconventional and slightly strange. 

  • Having a different center; not concentric. 

  • Against or in the opposite direction of contraction of a muscle (such as results from flexion of the lower arm (bending of the elbow joint) by an external force while contracting the triceps and other elbow extensor muscles to control that movement; opening of the jaw while flexing the masseter). 

  • Having different goals or motives. 

  • Not at or in the centre; away from the centre. 

  • Not perfectly circular; elliptical. 

noun
  • One who does not behave like others. 

  • A kook; a person of bizarre habits or beliefs. 

  • A circle not having the same centre as another. 

  • An exercise that goes against or in the opposite direction of contraction of a muscle. 

  • A disk or wheel with its axis off centre, giving a reciprocating motion. 

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