contributive vs gainful

contributive

adj
  • Tending to contribute; making a contribution 

gainful

adj
  • Providing gain; profitable. 

  • Contrary. 

  • Troublesome; fractious; hard to handle. 

  • Disposed to taking advantage of. 

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