combinative vs separative

combinative

adj
  • Serving, tending, or able to combine. 

  • Of, pertaining to, or resulting from combination. 

separative

noun
  • Something that serves to separate. 

adj
  • Serving to separate. 

  • Tending to keep oneself separate from others. 

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