coefficient vs combinative

coefficient

adj
  • Cooperating. 

noun
  • A constant by which an algebraic term is multiplied. 

  • A number, value, or item that serves as a measure of some property or characteristic. 

combinative

adj
  • Serving, tending, or able to combine. 

  • Of, pertaining to, or resulting from combination. 

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