predecessor vs reflex

predecessor

noun
  • A model or type of machinery or device which precedes the current (or later) one. Usually used to describe an earlier, outdated model. 

  • One who precedes; one who has preceded another in any state, position, office, etc.; one whom another follows or comes after, in any office or position. 

  • A vertex having a directed path to another vertex 

reflex

noun
  • The descendant of anything from an earlier time, such as a cultural myth. 

  • The ancestor word corresponding to a descendant. 

  • The descendant of an earlier language element, such as a word or phoneme, in a daughter language. 

  • An automatic response to a simple stimulus which does not require mental processing. 

  • Reflection or an image produced by reflection. The light reflected from an illuminated surface to one in shade. 

verb
  • To bend back or turn back over itself. 

  • To respond to a stimulus. 

adj
  • Having greater than 180 degrees but less than 360 degrees. 

  • Illuminated by light reflected from another part of the same picture. 

  • Produced automatically by a stimulus. 

  • Bent, turned back or reflected. 

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