furtherly vs gainful

furtherly

adj
  • Favorable, advanced. 

adv
  • In a further manner. 

gainful

adj
  • Providing gain; profitable. 

  • Contrary. 

  • Troublesome; fractious; hard to handle. 

  • Disposed to taking advantage of. 

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