sportsmanlike vs sportsmanly

sportsmanlike

adj
  • Demonstrating good sportsmanship, behaving in an honorable and appropriate manner. 

sportsmanly

adj
  • Befitting a sportsman; being or demonstrating the conduct expected of players of sport. 

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