connective vs vinculum

connective

noun
  • A connective tissue. 

  • That which connects. 

  • The tissue which connects the locules of an anthers together. 

  • A word used to connect words, clauses and sentences, most commonly applied to conjunctions. 

  • A function that operates on truth values to give another truth value. 

adj
  • Serving or tending to connect; connecting. 

vinculum

noun
  • A ligament that limits the movement of an organ or part. 

  • A bond or link signifying union. 

  • A horizontal line over the top of some of the terms in an expression, indicating that that part of the calculation is to be done before other parts. 

  • Specifically, the horizontal line between the numerator and denominator in a fraction. 

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